SOLUTION: me and my aunt keep getting different answers. this is weekend homework. Multiply or divide. Simplify. 1) ((x^2-9)/(x^2-4x))*((2x-8)/(x+3)) 2) (m^2+10m+25m)/(m^2+12m+35)

Question 154277: me and my aunt keep getting different answers. this is weekend homework.
Multiply or divide. Simplify.
1) ((x^2-9)/(x^2-4x))*((2x-8)/(x+3))
2) (m^2+10m+25m)/(m^2+12m+35)
3) ((y^2+4y+4)/(y^2+3y+2))/((y^2+6y+8)/(y^2+4y+3))

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'll do the first two to get you started:

# 1

Start with the given expression.

Factor to get .

Factor to get .

Factor to get .

Combine the fractions.

Highlight the common terms.

Cancel out the common terms.

Simplify.

Distribute

So simplifies to .

In other words, where , , or

# 2

I'm assuming that you meant to say

Start with the given expression.

Factor to get .

Factor to get .

Highlight the common terms.

Cancel out the common terms.

Simplify.

So simplifies to .

In other words, where or
RELATED QUESTIONS
f(x)=1/x and g(x)=2/x^2 find (f+g)=2/x^2 This question is giving me fits, I keep... (answered by Theo)

My problem is this: Solving by elimination: 9x+4y = -16 3x-4y = -8... (answered by lwsshak3)

7) The correct solution to 3=2√x+x is: a. x=1 and x=3 b. x=1 and x= 4 c.... (answered by longjonsilver)

I have worked this problem multiple times and keep getting the same answer, but my friend (answered by Alan3354,MathTherapy)

I would like for someone to explain this to me with the answers, if it's possible. Thank... (answered by rfer,checkley77)

(4x^5 - 16x^3 + x^2 + 5) � (x^2 + 2x) Divide I am getting... (answered by Fombitz,richwmiller)

1+5x<26 the solution set is {x/x< ?} please help me with this I keep getting different... (answered by solver91311)

Will someone please help me solve this problem? The problem states to multiply or divide... (answered by MathLover1)

I only have a few hours left to turn in my assignment and really need help with these... (answered by jim_thompson5910)