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Simplifying
400x2 + -25 = 0
Reorder the terms:
-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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