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Simplifying
20x2 + -5 = 0
Reorder the terms:
-5 + 20x2 = 0
Solving
-5 + 20x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '5' to each side of the equation.
-5 + 5 + 20x2 = 0 + 5
Combine like terms: -5 + 5 = 0
0 + 20x2 = 0 + 5
20x2 = 0 + 5
Combine like terms: 0 + 5 = 5
20x2 = 5
Divide each side by '20'.
x2 = 0.25
Simplifying
x2 = 0.25
Take the square root of each side:
x = {-0.5, 0.5}
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