Question

answer it using the algebraic identity

$8x {}^{3} + 10y {}^{3}$
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Answer 1

By using identity :- (x +y)³ = x³ + 3x²y + 3xy² + y²

(8x + 10y)³ = (8x)³ + 3(8x)²(10y) + 3(8x)(10y)² + (10y)3

512x³ + 3 × (64x²)10y + 3(8x)(100y²) + 1000y³

512x² + 192x²y + 2400xy² + 1000y³

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