Posted by **Jasmine20** on Monday, December 11, 2006 at 8:38pm.

I'm not understanding so the answer should read as follows and steps:

15x^4y^9 divided by 3x^2y^2 = 5x^2y^7

Can you check this one for me.

Direction. Simplify each of the following expressions where possible.

6x^2y^3+9x^2y^3 divided by 3x^2y^2

My answer:

15x^4y^6 divided by 3x^2y^2 =5x^2y^4

There is a + sign in the numerator. You may not add x

^{2} to x

^{2} and get x

^{4}. Multiply, yes, not add. Likewise, y

^{3</suo>times y3 is y6 but the sum is not that.
My answer was garbled because I didn't use the superscripts right.
use liner combinations to solve the liner system
v - w = -5
v + 2w = 4
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