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Simplifying
3x2 + -85 = 62
Reorder the terms:
-85 + 3x2 = 62
Solving
-85 + 3x2 = 62
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '85' to each side of the equation.
-85 + 85 + 3x2 = 62 + 85
Combine like terms: -85 + 85 = 0
0 + 3x2 = 62 + 85
3x2 = 62 + 85
Combine like terms: 62 + 85 = 147
3x2 = 147
Divide each side by '3'.
x2 = 49
Simplifying
x2 = 49
Take the square root of each side:
x = {-7, 7}
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