Упростите выражение x^3-(y-(x^3-y))

Question

Упростите выражение x^3-(y-(x^3-y))

Answer 1

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

Comments

всё понятно

Answer 2

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