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Simplifying
25 + -400x2 = 0
Solving
25 + -400x2 = 0
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 + -400x2 = 0 + -25
Combine like terms: 25 + -25 = 0
0 + -400x2 = 0 + -25
-400x2 = 0 + -25
Combine like terms: 0 + -25 = -25
-400x2 = -25
Divide each side by '-400'.
x2 = 0.0625
Simplifying
x2 = 0.0625
Take the square root of each side:
x = {-0.25, 0.25}
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