Question 883021
suppose that f(x)=x^2-x and g(x)=2x+1. What is f times g(x). The answer I received was 2x^3+x^2+x am I correct.
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f*g(x) = (x^2-x)(2x+1) = x^2(2x+1) -x(2x+1)
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= 2x^3 + x^2 - 2x^2 -x
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= 2x^3 - x^2 - x
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Cheers,
Stan H.
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