Question

simplify:- (x -2/5 y)^3 - (x + 2/5 y) ^3​

Answer 1

Ans:- (x - 2/5y)³ - (x + 2/5y)³

= (x - 2/5y - x - 2/5y)((x)² + 2/5xy + (2/5y)²)

= (-4/5y)(x² + 2/5y + 4/25y²)

here is your answer

hope it will help you