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Simplifying
4x2 + 50 = 86
Reorder the terms:
50 + 4x2 = 86
Solving
50 + 4x2 = 86
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-50' to each side of the equation.
50 + -50 + 4x2 = 86 + -50
Combine like terms: 50 + -50 = 0
0 + 4x2 = 86 + -50
4x2 = 86 + -50
Combine like terms: 86 + -50 = 36
4x2 = 36
Divide each side by '4'.
x2 = 9
Simplifying
x2 = 9
Take the square root of each side:
x = {-3, 3}
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