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Simplifying
4x2 + -12 = 27
Reorder the terms:
-12 + 4x2 = 27
Solving
-12 + 4x2 = 27
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '12' to each side of the equation.
-12 + 12 + 4x2 = 27 + 12
Combine like terms: -12 + 12 = 0
0 + 4x2 = 27 + 12
4x2 = 27 + 12
Combine like terms: 27 + 12 = 39
4x2 = 39
Divide each side by '4'.
x2 = 9.75
Simplifying
x2 = 9.75
Take the square root of each side:
x = {-3.122498999, 3.122498999}
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