Question

Simplify (2m-5n)^3 -(2m+5n)^3

Answer 1

Answer:

(-10n)^3 or -1000n^3

Step-by-step explanation:

(2m-5n)^3-(2m+5n)^3

so take cube as common

{(2m-5n)-(2m+5n)}^3

open the common brackets

{2m-5n-2m-5n}^3

2m and -2m cancels

(-5n-5n)^3

(-10n)^3

hope it helps