Question

simplify
(x+2y)^3 - (x-2y)^3​

Answer 1

Step-by-step explanation:

by using formula

a³-b³

(a-b) (a²+ab+b²)

(x+2y-x+2y)((x+2y)²+x(x+2y)-2y(x+2y)+(x-2y) ²)

4y(( x²+4y²+4xy+x²+2xy-2xy-4y²+x²+4y²-2xy))

4y( 3x²+4y²+4xy-2xy)

4y(3x2+4y²+2xy)

12x²y+16y³+8xy² OK friend this is urs answer