1 Answered Questions for the topic Polynomials, Subtraction

08/09/15

Polynomial Subtraction help
(2x-3x^2+9)-(5+x^2-8x)   As a part of the answer, I keep getting -6x instead of 10x. How do I get 10x into my answer. Please explain. The answer I get is:   -6x+(-4x^2)+4   I know this is... more
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