Question

Factor the expression: x2 - x - 6

Answer 1

i got (x+2)(x+3)

Answer 2

@mathmath333

Answer 3

ok.. so check your answer, expand your brackets and see if it matches the question

Answer 4

so what did you get?

Answer 5

how do i expand them

Answer 6

sorry im bearely awake

Answer 7

pls try to explain it

Answer 8

kindda like that but with you're numbers instead

Answer 9

what if my anwser is wrong

Answer 10

@javk my anwser is wrong

Answer 11

i got x2-6x-6

Answer 12

yeahh so start again

step1: find two numbers that added together will give you the quoficient of x, which in this case is `-1` and multiplied together will give you `-6`

Answer 13

-1 multiplied with what

Answer 14

just any two numbers, from the factors of `-6`
like
now which one of theses will give you `-1` when added together?

Answer 15

1*-1

Answer 16

my dear,1*-1=-1
how about sum up all the rows in the table above

Answer 17

oh oops ok

Answer 18

you mean like -1*6 and so on

Answer 19

yeah, now tell me which pair will add together to give you `-1`

Answer 20

they all add -6

Answer 21

no they all multiply to give `-6`
they add to give........

Answer 22

-3+2=1 @Javk

Answer 23

YESSSS!
except you forgot the negative sign
-3+2=-1

Answer 24

oh yes forgive me plz.

Answer 25

so now you can just plug in your values in the brackets, since x^2 isn't multiplied by anything else
so you end up with (x+ `2`)(x- `3` )

Answer 26

wait thats all you do how woid you do this one :x2 - 7x + 10

Answer 27

same way

Answer 28

same thing, follow the steps and share the answer and then we can compare

Answer 29

ok

Answer 30

(X-5)(X-2) @Javk

Answer 31

Yess!! you got it!

Answer 32

really AWSOME!!

Answer 33

If you're still not too clear check out this video
` http://www.youtube.com/watch?v=g6RnAY_VkMs `

Answer 34

ok i got more confused @Javk to Factor the expression: 2x2 + 5x + 3 i got (X+1)(2X+3)

Answer 35

is it correct

Answer 36

@mathmath333

Answer 37

its correct