Question

2x(3+8x)-(4x-3)(4x+3)=1,5x

Answer 1

$2x(3+8x)-(4x-3)(4x+3)=1,5x \ 6x+16x^2-(16x^2-9)=1,5x \ 6x+16x^2-16x^2+9=1,5x \ 6x-1,5x=-9 \ 4,5x=-9 \x=-2$