Question

Simplify (4x-3y)^2 - (4x+3x)^2

Answer 1

(4x-3y)² - (4x+3y)²

here works property of a²-b² = (a+b)(a-b)

therefore,

(4x-3y + 4x + 3y) (4x -3y -4x -3y)

(8x) (-6y)

Answer 2

hey mate here's the answer which you need