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Simplifying
4x2 + -16 = 144
Reorder the terms:
-16 + 4x2 = 144
Solving
-16 + 4x2 = 144
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '16' to each side of the equation.
-16 + 16 + 4x2 = 144 + 16
Combine like terms: -16 + 16 = 0
0 + 4x2 = 144 + 16
4x2 = 144 + 16
Combine like terms: 144 + 16 = 160
4x2 = 160
Divide each side by '4'.
x2 = 40
Simplifying
x2 = 40
Take the square root of each side:
x = {-6.32455532, 6.32455532}
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