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Simplifying
4x2 + -144 = -12
Reorder the terms:
-144 + 4x2 = -12
Solving
-144 + 4x2 = -12
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '144' to each side of the equation.
-144 + 144 + 4x2 = -12 + 144
Combine like terms: -144 + 144 = 0
0 + 4x2 = -12 + 144
4x2 = -12 + 144
Combine like terms: -12 + 144 = 132
4x2 = 132
Divide each side by '4'.
x2 = 33
Simplifying
x2 = 33
Take the square root of each side:
x = {-5.744562647, 5.744562647}
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