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Simplifying
4x2 + -8 = 58
Reorder the terms:
-8 + 4x2 = 58
Solving
-8 + 4x2 = 58
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '8' to each side of the equation.
-8 + 8 + 4x2 = 58 + 8
Combine like terms: -8 + 8 = 0
0 + 4x2 = 58 + 8
4x2 = 58 + 8
Combine like terms: 58 + 8 = 66
4x2 = 66
Divide each side by '4'.
x2 = 16.5
Simplifying
x2 = 16.5
Take the square root of each side:
x = {-4.062019202, 4.062019202}
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