Question

(x²-y²)(x-y)

Tính

Answer 1

\(\left(x^2-y^2\right)\left(x-y\right)\)

\(=x^3-x^2y-y^2x+y ^3\)

Answer 2

(x²-y²)(x-y)
=x³-x²y-y²x+y³

Answer 3

(x² - y²)( x- y)= x³- x²y - xy² + y³

Answer 4

(x²-y²)(x-y)

=(x-y)(x+y)(x-y)

=(x-y)²(x+y)