Question

factorise 250 x cube minus 432 y cube what is the answer​

Answer 1

Take 2 in common at first.

2(125x³-216y³)

Then put to sum of cubes formula

2{(5x)³-(6y³)}

=2(5x-6y)(25x²+30xy+36y²)

[using the formula a³-b³ = (a-b) (a²+ab+b²)