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Simplifying
4x2 + 13 = 125
Reorder the terms:
13 + 4x2 = 125
Solving
13 + 4x2 = 125
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-13' to each side of the equation.
13 + -13 + 4x2 = 125 + -13
Combine like terms: 13 + -13 = 0
0 + 4x2 = 125 + -13
4x2 = 125 + -13
Combine like terms: 125 + -13 = 112
4x2 = 112
Divide each side by '4'.
x2 = 28
Simplifying
x2 = 28
Take the square root of each side:
x = {-5.291502622, 5.291502622}
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