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Simplifying
2x2 + 25 = 169
Reorder the terms:
25 + 2x2 = 169
Solving
25 + 2x2 = 169
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-25' to each side of the equation.
25 + -25 + 2x2 = 169 + -25
Combine like terms: 25 + -25 = 0
0 + 2x2 = 169 + -25
2x2 = 169 + -25
Combine like terms: 169 + -25 = 144
2x2 = 144
Divide each side by '2'.
x2 = 72
Simplifying
x2 = 72
Take the square root of each side:
x = {-8.485281374, 8.485281374}
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