lostsoul32p7amx1 lostsoul32p7amx1

16-04-2018
Mathematics

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

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16-04-2018

[tex]c(x)=4x-2\\d(x)=x^2+5x\\\\(c\times d)(x)\\=(4x-2)(x^2+5x)(x)\\=4x^3+20x^2-2x^2-10x(x)\\=4x^3+18x^2-10(x)[/tex]

If I understood correctly

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mkryukova19 mkryukova19

16-04-2018

(c*d)(x)=(4x-2)(x²+5x)=4x³-2x²+20x²-10x=4x³+18x²-10x

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