Question

(1.5x-4y)(1.5x+4y+3)-4.5x+12y jldiii

Answer 1

I hope this will be helpful to you ...

Answer 2

Here is your answer

$1.5x(1.5x + 4y + 3) - 4y(1.5x + 4y + 3) - 4.5x + 12y \\ = 2.25x {}^{2} + 6xy + 4.5x - 6xy - 16y {}^{2} - 12y - 4.5x + 12y \\ = 2.25x {}^{2} - 16y {}^{2} \\ = (1.5x ) {}^{2} - (4y) {}^{2} \\ = (1.5x + 4y)(1.5x - 4y)$
Hope it helps you