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Simplifying
121 + -25x2 = 0
Solving
121 + -25x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-121' to each side of the equation.
121 + -121 + -25x2 = 0 + -121
Combine like terms: 121 + -121 = 0
0 + -25x2 = 0 + -121
-25x2 = 0 + -121
Combine like terms: 0 + -121 = -121
-25x2 = -121
Divide each side by '-25'.
x2 = 4.84
Simplifying
x2 = 4.84
Take the square root of each side:
x = {-2.2, 2.2}
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