Question

Find the product using suitable identity (x+7)^3

Answer 1

Step-by-step explanation:

(x+7)^3

Using identity (a+b) ^3= a^3+b^3+3ab(a+b)

(x)^3+(7)^3+3×x×7(x+7)

x^3+343+21x(x+7)

x^3+343+21x^2+147x

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