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Simplifying
2x2 + -56 = -8
Reorder the terms:
-56 + 2x2 = -8
Solving
-56 + 2x2 = -8
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '56' to each side of the equation.
-56 + 56 + 2x2 = -8 + 56
Combine like terms: -56 + 56 = 0
0 + 2x2 = -8 + 56
2x2 = -8 + 56
Combine like terms: -8 + 56 = 48
2x2 = 48
Divide each side by '2'.
x2 = 24
Simplifying
x2 = 24
Take the square root of each side:
x = {-4.898979486, 4.898979486}
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