Posted by **Lily** on Wednesday, January 23, 2013 at 9:22am.

Simplify the polynomial [(6x-8)-2x]-[(12x-7)-(4x-5)].

I came up with two answers:

36x^2 - 72x + 35 or

-12x^2 + 8x - 2

Are either one of these the correct answer?

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