Question

simplify : (x-2y)²-(2x-y)³​

Answer 1

hey mate

simplify : (x-2y)²-(2x-y)³

= ( x-2y)²-(2x-y)³

= (x²+4y²-4xy )- (8x³-y³-12x²y+6xy²)

= -(8x³-y³-12x²y+6xy²-x²-4y²+4xy)

uses formula

(1) (a+b)²=a²+b²+2ab

(2) (a+b)³=a³+b³+3a²b+3ab²

i hopes its help's u.

please follow me!!✌✌

@abhi.

Answer 2

Answer:

plz check your question becoz it should be

$(x - 2y)^3 - (2x - y)^3$