Question

Factorise 216xcube-125ycube

Answer 1

here's your answer it may help you

Answer 2

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216x³-115y³

using the identity

x³-y³=(x+y)(x²+y²-xy)

(6x)³-(5y)³

=(6x+5y)[(6x)²+(5y)²-(6x×5y)]

=6x+5y[36x²+25y²-30xy]


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