Algebra Problem

Question

x(x − (4 − x)) + 3(x − 2 − x2)= −6x − 30

Answer 1

x(x-(4-x)) + 3(x-2 -x^2) = -6x -30

x(2x-4) -3x^2 +3x -6 = -6x -30

2x^2 -4x -3x^2 +3x=-6x -24

-x^2 -x =-6x -24

x^2 -5x -24 = 0

(x-8)(x+3) =0

x = -3. 8