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Mathematics 20 Online
OpenStudy (anonymous):

Factor:

OpenStudy (anonymous):

im waiting :P

OpenStudy (anonymous):

\[5yz ^{2}-35yz+10y ^{2}z\]

OpenStudy (anonymous):

5 yz ( 5z - 7 + 2y)

OpenStudy (anonymous):

WOoOOOooooOooooOooooo :P

OpenStudy (anonymous):

5yz(z - 7 + 2y)

OpenStudy (anonymous):

wait...-.- its z not 5z inside the bracket

OpenStudy (anonymous):

5 yz ( z - 7 + 2y) soorry

OpenStudy (anonymous):

x(y-3) -4(y-3)

OpenStudy (anonymous):

you want us to factor that?

OpenStudy (anonymous):

do yu simplify it first

OpenStudy (anonymous):

and ya factor it

OpenStudy (anonymous):

its already factored tho: i guess you can use distributive property and then factor it as a whole

OpenStudy (anonymous):

(y-3) (x-4)?

OpenStudy (anonymous):

is tht the ans

OpenStudy (anonymous):

my bad :P yes it is

OpenStudy (anonymous):

Go Charmi :D

OpenStudy (anonymous):

^__^

OpenStudy (anonymous):

lol any other ones :P

OpenStudy (anonymous):

2mn+3mp-4n-6p

OpenStudy (anonymous):

2n(m-2) + 3p (m-2)

OpenStudy (anonymous):

well for this one you have to find a variable thats common to all the coefficients but i dont think its possible to factor this

OpenStudy (anonymous):

(m-2) (2n+3p)

OpenStudy (anonymous):

wait

OpenStudy (anonymous):

yeah use grouping :O

OpenStudy (anonymous):

im losing myself

OpenStudy (anonymous):

so is it right?

OpenStudy (anonymous):

aha

OpenStudy (anonymous):

\[x^{2}-12x+20\]

OpenStudy (anonymous):

= 2mn+3mp-4n-6p = (2mn - 4n) + ( 3mp - 6p) = 2n( m - 2) + 3p (m - 2) = (2n + 3p) (m-2)

OpenStudy (anonymous):

\[x ^{2} - 12x + 20 \]

OpenStudy (anonymous):

yup

OpenStudy (anonymous):

\[x ^{2} - 10x - 2x + 20 \]\[(x ^{2} - 2x) + (-10x +20)\] \[x(x-2) -10 (x - 2)\] \[(x - 10) (x - 2)\]

OpenStudy (anonymous):

i didnt lose myself :P

OpenStudy (anonymous):

yu need 2 numbers tht multiply to 20 and add to 6 right

OpenStudy (anonymous):

two numbers that add to 12 and multiply to 20 *

OpenStudy (anonymous):

not 6

OpenStudy (anonymous):

oh my bad :P

OpenStudy (anonymous):

lol dw we all make mistakes P:

OpenStudy (anonymous):

im lost :/

OpenStudy (anonymous):

on what yu did

OpenStudy (anonymous):

umm so basically what i did is that i found that -2 x -10 is equal to positive 20 and add to -12 (negative)x(negative) = positive

OpenStudy (anonymous):

oh ok :P

OpenStudy (anonymous):

thanks :D

OpenStudy (anonymous):

and r yu sure its not (x-2) (x-10)

OpenStudy (anonymous):

or it doesnt matter wht way yu put it as

OpenStudy (anonymous):

it doesnt really matter as long as you can get the equation you started with i believe it looks better for communication the way you put it

OpenStudy (anonymous):

\[y^{2}+3y-18\]

OpenStudy (anonymous):

ok for this one you want a number that adds up to 3 and multiplies to get -18 so you're gonna need a negative and a positive number

OpenStudy (anonymous):

any ideas of multiples

OpenStudy (anonymous):

i was stuck here: y(y+6) -3 (y+6)

OpenStudy (anonymous):

wud it be (y+6) (y-3)

OpenStudy (anonymous):

someone cheer for her that's right you had the answer the whole time <3

OpenStudy (anonymous):

WOOOOO:P

OpenStudy (anonymous):

buhh cant yu still divide it cause theres a 3 and a 6?

OpenStudy (anonymous):

or jus leave it like tht :P

OpenStudy (anonymous):

lol i believe you can leave it like that :D

OpenStudy (anonymous):

aha ok :P

OpenStudy (anonymous):

\[x^{2}-18\]

OpenStudy (anonymous):

shud i leave the middle number as 0

OpenStudy (anonymous):

what do you think this one is

OpenStudy (anonymous):

how wud yu do this i forgot :$

OpenStudy (anonymous):

(a - b) (a+ b) the middle number is eliminated :)

OpenStudy (anonymous):

(x-6) (x+6)?

OpenStudy (anonymous):

no wait (x-6) (x+3)

OpenStudy (anonymous):

i believe the middle number is missing cuz you cant factor that

OpenStudy (anonymous):

yu cant?

OpenStudy (anonymous):

so yu dun do nytiin to it?

OpenStudy (anonymous):

well no matter how much we factor it it wont match the question after factoring

OpenStudy (anonymous):

good job dada

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