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Simplifying
-25 = -1x2
Solving
-25 = -1x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add 'x2' to each side of the equation.
-25 + x2 = -1x2 + x2
Combine like terms: -1x2 + x2 = 0
-25 + x2 = 0
Add '25' to each side of the equation.
-25 + 25 + x2 = 0 + 25
Combine like terms: -25 + 25 = 0
0 + x2 = 0 + 25
x2 = 0 + 25
Combine like terms: 0 + 25 = 25
x2 = 25
Simplifying
x2 = 25
Take the square root of each side:
x = {-5, 5}
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