Use the suitable identity to find the product of (9x +4) (9x+3) – InterviewSolution

1.

Use the suitable identity to find the product of (9x +4) (9x+3)

Answer»

81x^2+63x+12

Step-by-step EXPLANATION:

we KNOW (x+a) (x+b)=x^2+(a+b)×x+ab

so,(9X)^2+(4+3)×x+(4×3)

‌so,answer is

81x^2+63x+12

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