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Simplifying
4x2 + 18 = 58
Reorder the terms:
18 + 4x2 = 58
Solving
18 + 4x2 = 58
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-18' to each side of the equation.
18 + -18 + 4x2 = 58 + -18
Combine like terms: 18 + -18 = 0
0 + 4x2 = 58 + -18
4x2 = 58 + -18
Combine like terms: 58 + -18 = 40
4x2 = 40
Divide each side by '4'.
x2 = 10
Simplifying
x2 = 10
Take the square root of each side:
x = {-3.16227766, 3.16227766}
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