Posted by **Jordyn** on Thursday, October 28, 2010 at 11:45pm.

36x^2 - 49y^2 divided by 6x + 7y

meaning 36x^2 - 49y^2 is on top and

6x + 7y is on bottom.

Please help, my teacher nor course book covers when there are different variables

- algebra -
**jai**, Thursday, October 28, 2010 at 11:54pm
(36x^2 - 49y^2)/(6x + 7y)

notice that the numerator is a difference of two squares,, recall:

a^2 - b^2 = (a+b)(a-b)

thus the numerator can be factored into:

(6x+7y)(6x-7y)/(6x+7y)

then cancel the common factor and you get 6x - 7y

hope this helps.

- algebra -
**Jordyn**, Friday, October 29, 2010 at 12:04am
Jai,

Oh my gosh, thank you so much. I even understand exactly how you go the answer. I've been doing the tutoring at my school for almost 2 days with the same tutor and they cannot explain it on an easy to understand level. I really really appreciate your help!!!!!

- algebra -
**jai**, Friday, October 29, 2010 at 12:07am
you're welcome, Jordyn! :)

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