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Simplifying
5x2 + -80 = 125
Reorder the terms:
-80 + 5x2 = 125
Solving
-80 + 5x2 = 125
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '80' to each side of the equation.
-80 + 80 + 5x2 = 125 + 80
Combine like terms: -80 + 80 = 0
0 + 5x2 = 125 + 80
5x2 = 125 + 80
Combine like terms: 125 + 80 = 205
5x2 = 205
Divide each side by '5'.
x2 = 41
Simplifying
x2 = 41
Take the square root of each side:
x = {-6.403124237, 6.403124237}
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