1.

Factorise - x^4 - 125xy^2​

Answer»

HEYA!

Here is YR answer

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=> X^4 - 125xy3

=> x ( x³ - (5y)³ )

It is in the form of --------

x³ - y³ = x³ -3x²y + 3xy² -y³

=> x ( x³ -3(x)²(5y) +3(x)(5y)² - (5y) ³

=> x (x³ -15x²y + 15xy² -125y³)



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