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Simplifying
-2x2 + -3(-2) + 8 = 0
Multiply -3 * -2
-2x2 + 6 + 8 = 0
Reorder the terms:
6 + 8 + -2x2 = 0
Combine like terms: 6 + 8 = 14
14 + -2x2 = 0
Solving
14 + -2x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-14' to each side of the equation.
14 + -14 + -2x2 = 0 + -14
Combine like terms: 14 + -14 = 0
0 + -2x2 = 0 + -14
-2x2 = 0 + -14
Combine like terms: 0 + -14 = -14
-2x2 = -14
Divide each side by '-2'.
x2 = 7
Simplifying
x2 = 7
Take the square root of each side:
x = {-2.645751311, 2.645751311}
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