Simplify: (2x-5y)^3
- (2x+5y)^3
Answers
Answered by
4
-60xy
Step-by-step explanation:
(2x-5y)^3-(2x+5y)^3
=((2x)^3-3*2x*5y+(5y)^3)-((2x)^3+3*2x*5y+(5y)^3)
=8x^3-30xy+125y3-8x3-30xy-125y3
=-60xy
Similar questions