Question

I need help with a couple of math problems... Can anyone help? I have trouble with these!!
http://curriculum.kcdistancelearning.com/courses/ALG1x-HS-A06/b/Exams/9HW2/9HW2_q1.gif

Answer 1

\[\frac{ x+2 }{(x+2)(x-2) }\]

Answer 2

factorising denominator.. now u can cancel the x+2 part.

Answer 3

How do I do that? I really have a lot of trouble with these!!

Answer 4

hmm do what? factors or cancelation/?

Answer 5

Cancelation..

Answer 6

you have to see wht part is same in numerator and denominator both

Answer 7

x+2 are the same...

Answer 8

yes so u can cancel the one in numerator and denominator.

Answer 9

Then whats left is x-2

Answer 10

yes.. so that remainting part would be your answer

Answer 11

-2?

Answer 12

no.. :(
remainging part.. whole of it.
\[\frac{ 1 }{x-2 }\]

Answer 13

But, the answers are
a. 2
b. -2
c. 2 and -2
d. no exclusions

Answer 14

well what was the complete question :/

Answer 15

What number(s) should be excluded as values of x in the polynomial?

Answer 16

2

Answer 17

Ok... I have a couple more I need help with...

Answer 18

lol how many.

Answer 19

8 :o ... lol

Answer 20

lol thts alot. :P

Answer 21

I Know... These are hard for me :/

Answer 22

lol i see.. so u want my help with all of them?

Answer 23

Please?

Answer 24

?

Answer 25

lol umm.. yeah maybe :P

Answer 26

Ok.....

Answer 27

http://curriculum.kcdistancelearning.com/courses/ALG1x-HS-A06/b/Exams/9HW2/9HW2_q10.gif

Answer 28

ok u can post here but lol if u promise me soemthing. :P

Answer 29

Multiply and simplify

Answer 30

What's the promise?

Answer 31

lol u gonna write a testimonial for me . :P

Answer 32

Ok... How do I do that?

Answer 33

lol.. its like going in my profile and see testimonial and u might see some option there ..lol
u can try fgure out i will do ur question

Answer 34

Ok :)

Answer 35

\[\frac{ x+3 }{ x } \times \frac{ x+4 }{ (x+4)(x+3) }\]
now u can cancel out the one u can. :)

Answer 36

and i think u might have to fan me first before writing it. :P

Answer 37

I am not suppose to fan you?

Answer 38

why not?

Answer 39

I am still confused on how to get there to get to the testnimal

Answer 40

lol. sorry.. its ok.. lets just focus on ur question :)

Answer 41

You sure?
I want to write it now lol!

Answer 42

lol its ur choice if u want but lets keep doing problems too.

Answer 43

Ok...
So where are we at?

Answer 44

i just wrote above how to do it

Answer 45

Ok... I wrote the testinomail!!

Answer 46

lol i saw.. thats sweet of u.. <3

Answer 47

No problem!! Haha... So this is what was wrote up there \[\frac{ x+3 }{ x } \times \frac{ x+4 }{ (x+4)(x+3) }\]

Answer 48

yeah so u can stact cancelling.. :)

Answer 49

Idk... It's messed up on my computer....

Answer 50

lol x+4 can be cancelled as both are numerator and denominator..

Answer 51

Yes... Then there is x+3?

Answer 52

yes exactly u have to cancel that too.. lol u getting the hang of it nwo. :)

Answer 53

Yes... haha ... The answer will be 3? Right

Answer 54

nooo.. how u got 3 nw? :(

Answer 55

Idk ... Now I am lost!!

Answer 56

@nubeer

Answer 57

show me what u r left with after cacenlation.

Answer 58

I don't know .. Can you put the exation out again?

Answer 59

hmm u have to cancel out an expression which is same in numerator and denominator BOTH

Answer 60

I don't know and I am getting a headache lol ... But, can we move to an easier problem?

Answer 61

lol ok ur choice.. :P

Answer 62

What is the least common multiple, LCM, of the two monomials?
15x2y3 and 18xy2

Answer 63

3xy^2

Answer 64

What is the least common multiple, LCM, of the two polynomials?
(x + 3) and (x2 - 9)

Answer 65

(x+3)

Answer 66

http://curriculum.kcdistancelearning.com/courses/ALG1x-HS-A06/b/Exams/9HW5/9HW5_q5.gif
Add and simplify:

Answer 67

\[\frac{ 4a+8+3a+6 }{ 12 }\]
just solve this.