Math, asked by wry, 1 year ago

simplify: (6m-n)(36m²+6mn+n²)+(3m+3n)³

wry: urgent

Answers

Answered by AKS9201

0

(6m-n)(36m²+6mn+n² )+(3m+3n)²
=6m(36m²+6mn+n²)-n(36m²+6mn+n²)+(3m+3n)
=216m³+36m²n+6mn²-36nm²-6mn²-n³+27m³+27n³
=216m³-n³+27m³+27n³

wry: it is( 3m+n)^3

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