Question

factorise 8x^3- (2x-3y)^3​

Answer 1

Answer:

ANSWER

(a+b)

3

=a

3

+b

3

+3ab(a+b)

by using this ;

8x

3

−(2x−y)

3

=(2x)

3

+(y−2x)

3

=(2x+y−2x)

3

−3(2x(y−2x))(2x+y−2x)

=y

3

−6xy(y−2x)=y(y

2

−6x(y−2x))