Question

(12x+1)(3x-1)-(6x+2)²=10

Answer 1

$36x^{2}-9x-1-(36x^{2} +24x+4)=10$
$36 x^{2} -9x-1- 36x^{2}-24x-4= 10$
$-33x=15$
$x≈0.45$