Question

Help me please so my grade can come up :)

Answer 1

X = 3 or X = -2

Explanation:

`2 {x}^(2) - 2x - 12 = 0 \\ 2 {x}^(2) - 6x + 4x - 12 = 0 \\ 2x(x - 3) - 4(x - 3) = 0 \\ 2(x - 3)(x + 2) = 0 \\ x - 3 = 0 \: \: or \: x + 2 = 0 \\ x = 3 \: or \: x = - 2`