Question

find the product (4x-5y) (16x^2+20xy+25y^2​

Answer 1

Answer:

(4x-5y)(16x²+20xy+25y²)

• 64x³+80x²y+100xy²-80x²y-100xy²-125y³

by canceling the equal number we get

64x³-125y³

we can also write this as,

(4x)³-(5y)³

• (4x-5y)³

Answer 2

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