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Simplifying
4x2 + -8 = 104
Reorder the terms:
-8 + 4x2 = 104
Solving
-8 + 4x2 = 104
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 = 104 + 8
Combine like terms: -8 + 8 = 0
0 + 4x2 = 104 + 8
4x2 = 104 + 8
Combine like terms: 104 + 8 = 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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