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Simplifying
2x2 + x2 = 1125
Combine like terms: 2x2 + x2 = 3x2
3x2 = 1125
Solving
3x2 = 1125
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '3'.
x2 = 375
Simplifying
x2 = 375
Take the square root of each side:
x = {-19.364916731, 19.364916731}
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