Question

1)(-2x^3+xy^2)+(x^2y-1)+(x^2y-xy^2+3x^3)

Answer 1

Ответ:

Объяснение:

1)(-2x³+xy²)+(x²y-1)+(x²y-xy²+3x³)=

=-2x³+xy² + x²y-1 +x²y-xy²+3x³=

=-x³+2x²y-1