0=100-5x^2

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Solution for 0=100-5x^2 equation: 


Simplifying
0 = 100 + -5x2

Solving
0 = 100 + -5x2

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '5x2' to each side of the equation.
0 + 5x2 = 100 + -5x2 + 5x2
Remove the zero:
5x2 = 100 + -5x2 + 5x2

Combine like terms: -5x2 + 5x2 = 0
5x2 = 100 + 0
5x2 = 100

Divide each side by '5'.
x2 = 20

Simplifying
x2 = 20

Take the square root of each side:
x = {-4.472135955, 4.472135955}

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