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OpenStudy (anonymous):
Simplify: (-8x^3 -7x^2 +4x-9)-(3x^3 +4x-8)+(x^2-5x)
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OpenStudy (anonymous):
just combine like terms
OpenStudy (anonymous):
I have the answer. this is my answer -11x^3-6x^2-5x-9 is this right
OpenStudy (anonymous):
almsot!
OpenStudy (anonymous):
your -9, you need to add 8, cause you have -(-8), so that would become +8
OpenStudy (anonymous):
other than that you got it, so change your last term to (-1)
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