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If c(x)=4x-2 and d(x)= x^2+5x what is (c*d)(x)

If c(x)=4x-2 and d(x)= x^2+5x what is (c*d)(x)
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2 votes
If c(x)=4x-2 and d(x)= x^2+5x what is (c*d)(x)

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User WetlabStudent
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2 Answers

6 votes
(c*d)(x)=(4x-2)(x²+5x)=4x³-2x²+20x²-10x=4x³+18x²-10x
answered
User Dardan
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7.4k points
4 votes

c(x)=4x-2\\d(x)=x^2+5x\\\\(c* d)(x)\\=(4x-2)(x^2+5x)(x)\\=4x^3+20x^2-2x^2-10x(x)\\=4x^3+18x^2-10(x)

If I understood correctly
answered
User Mark McKim
by
7.5k points
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