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Simplifying
169 = 49 + x2
Solving
169 = 49 + x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1x2' to each side of the equation.
169 + -1x2 = 49 + x2 + -1x2
Combine like terms: x2 + -1x2 = 0
169 + -1x2 = 49 + 0
169 + -1x2 = 49
Add '-169' to each side of the equation.
169 + -169 + -1x2 = 49 + -169
Combine like terms: 169 + -169 = 0
0 + -1x2 = 49 + -169
-1x2 = 49 + -169
Combine like terms: 49 + -169 = -120
-1x2 = -120
Divide each side by '-1'.
x2 = 120
Simplifying
x2 = 120
Take the square root of each side:
x = {-10.95445115, 10.95445115}
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