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Simplifying
3x2 + -312 = 12
Reorder the terms:
-312 + 3x2 = 12
Solving
-312 + 3x2 = 12
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '312' to each side of the equation.
-312 + 312 + 3x2 = 12 + 312
Combine like terms: -312 + 312 = 0
0 + 3x2 = 12 + 312
3x2 = 12 + 312
Combine like terms: 12 + 312 = 324
3x2 = 324
Divide each side by '3'.
x2 = 108
Simplifying
x2 = 108
Take the square root of each side:
x = {-10.392304845, 10.392304845}
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