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Simplifying
x2 + 18 + -307 = 0
Reorder the terms:
18 + -307 + x2 = 0
Combine like terms: 18 + -307 = -289
-289 + x2 = 0
Solving
-289 + x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '289' to each side of the equation.
-289 + 289 + x2 = 0 + 289
Combine like terms: -289 + 289 = 0
0 + x2 = 0 + 289
x2 = 0 + 289
Combine like terms: 0 + 289 = 289
x2 = 289
Simplifying
x2 = 289
Take the square root of each side:
x = {-17, 17}
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