Algebra Problems? Thanks!
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Algebra Problems? Thanks!

[From: ] [author: ] [Date: 11-05-10] [Hit: ]
if they are not please go over how to do them! THANKS!!1.2.3.......
Hi, so I have a homework, and I want to check if these answers are correct, if they are not please go over how to do them! THANKS!!

1.-4ab/21c * 14c^2/22a^2 My Answer:-4bc/33a
2.3x/2y * 8y^3/6x^2 My Answer:4y^2/2x
3.t^2-t-6/t^2-6t+9 My Answer: t+2
4.3ab/8a^2b * 4ac/9b^4 My Answer:1ac/6ab^4
5.-4/8x / 16/xy^2 My Answer: -1xy^2/32x

Again, Thank You!

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1 looks good
The second one can be further simplified to 2y^2/x
the third I got t+2/t-3 because when you foil the original equation t^2-t-6=(t-3)(t+2) and t^2-6t+9=(t-3)(t-3). with (t-3)(t+2)/(t-3)(t-3) you can cancel a (t-3) from the top and bottem
The fourth Im not sure how to do
4 can be further simplified to c/6b^4
5 is completely wrong. Try to simplfy before you flip the bottem fraction, multiply, then simplify again. I got -y^2/8

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