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Simplifying
-6x2 + -216 = -512
Reorder the terms:
-216 + -6x2 = -512
Solving
-216 + -6x2 = -512
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '216' to each side of the equation.
-216 + 216 + -6x2 = -512 + 216
Combine like terms: -216 + 216 = 0
0 + -6x2 = -512 + 216
-6x2 = -512 + 216
Combine like terms: -512 + 216 = -296
-6x2 = -296
Divide each side by '-6'.
x2 = 49.33333333
Simplifying
x2 = 49.33333333
Take the square root of each side:
x = {-7.023769168, 7.023769168}
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