Math

(x+9)(x^2 +7x)

Asked by AnneS2 on 30 Apr 05:54

Last updated by anonymous on 03 May 11:36

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Answered by CherieS on 03 May 11:36

(x+9)(x^2 +7x)

(x2+1) +(7x1+1) + (9)(x2) + (9)(7x)

x^3+7x^2+9x^2+63x

x^3+16x^2+63x