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Simplifying
9x2 + -625 = 0
Reorder the terms:
-625 + 9x2 = 0
Solving
-625 + 9x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '625' to each side of the equation.
-625 + 625 + 9x2 = 0 + 625
Combine like terms: -625 + 625 = 0
0 + 9x2 = 0 + 625
9x2 = 0 + 625
Combine like terms: 0 + 625 = 625
9x2 = 625
Divide each side by '9'.
x2 = 69.44444444
Simplifying
x2 = 69.44444444
Take the square root of each side:
x = {-8.333333333, 8.333333333}
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