Question

Simplify (2x-5y)^3-(2x+5y)^3​

Answer 1

Step-by-step explanation:

(a-b)^3-(a+b)^3=-2(b^3+3a^2b)

a=2x, b=5y

=2((5y)^3+3(2x)^2(5y))

2(125y^3+60x^2y)

=250y^3+120x^2y

hope it helps you