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Simplifying
4x * x + -2 = 56
Multiply x * x
4x2 + -2 = 56
Reorder the terms:
-2 + 4x2 = 56
Solving
-2 + 4x2 = 56
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '2' to each side of the equation.
-2 + 2 + 4x2 = 56 + 2
Combine like terms: -2 + 2 = 0
0 + 4x2 = 56 + 2
4x2 = 56 + 2
Combine like terms: 56 + 2 = 58
4x2 = 58
Divide each side by '4'.
x2 = 14.5
Simplifying
x2 = 14.5
Take the square root of each side:
x = {-3.807886553, 3.807886553}
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