Упростите выражение (x³+2y)(x²-2y)-(x²+2y)(x³-2y)

Question

Упростите выражение (x³+2y)(x²-2y)-(x²+2y)(x³-2y)

Answer 1

Х^5-2x³y+2x²y-4y²-(x^5-2x²y+2x³y+4y²)= х^5-2x³y+2x²y-4y²-x^5+2x²y-2x³y-4y²=
=-4x³y+4x²y-8y²