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Simplifying
250 + -9x2 = 25
Solving
250 + -9x2 = 25
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-250' to each side of the equation.
250 + -250 + -9x2 = 25 + -250
Combine like terms: 250 + -250 = 0
0 + -9x2 = 25 + -250
-9x2 = 25 + -250
Combine like terms: 25 + -250 = -225
-9x2 = -225
Divide each side by '-9'.
x2 = 25
Simplifying
x2 = 25
Take the square root of each side:
x = {-5, 5}
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