Question

Factorise -8x^3 + 27y^3 + 36x^2y + 54xy^2 *plz do fast*​

Answer 1

Answer:

-8x³+27y³+36x²y+54xy².

(-2x)³+(3y)³+3(-2x)²(3y)+3(-2x)(3y)².

(-2x)³+(3y)³-3(2x)(3y)(2x+3y).

It is in the form of a³+b³+3ab(a+b)=(a+b)³.

Where a=-2x & b=3y.

(-2x)³+(3y)³-3(2x)(3y)(2x+3y)=(-2x+3y)³.

I think this is your answer.