Question

(4x2 – 6x + 2) + (-5x2 + 6x – 6)

Answer 1

$(4*2-6x+2)+(-5x2+6x-6)$
$8-6x+2+(-5)*2+6x-6$
$8-6x+2-10+6x-6$
$\not 10-6x-\not10+6x-6$
$-6x+6x-6$
$-6$
The answer is: -6