-2x^2-9(-2)+18=

Solution for -2x^2-9(-2)+18= equation:

Simplifying
-2x2 + -9(-2) + 18 = 0

Multiply -9 * -2
-2x2 + 18 + 18 = 0

Reorder the terms:
18 + 18 + -2x2 = 0

Combine like terms: 18 + 18 = 36
36 + -2x2 = 0

Solving
36 + -2x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-36' to each side of the equation.
36 + -36 + -2x2 = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -2x2 = 0 + -36
-2x2 = 0 + -36

Combine like terms: 0 + -36 = -36
-2x2 = -36

Divide each side by '-2'.
x2 = 18

Simplifying
x2 = 18

Take the square root of each side:
x = {-4.242640687, 4.242640687}