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Simplifying
3x2 + 125 = 425
Reorder the terms:
125 + 3x2 = 425
Solving
125 + 3x2 = 425
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-125' to each side of the equation.
125 + -125 + 3x2 = 425 + -125
Combine like terms: 125 + -125 = 0
0 + 3x2 = 425 + -125
3x2 = 425 + -125
Combine like terms: 425 + -125 = 300
3x2 = 300
Divide each side by '3'.
x2 = 100
Simplifying
x2 = 100
Take the square root of each side:
x = {-10, 10}
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