100-4x^2=

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Solution for 100-4x^2= equation: 


Simplifying
100 + -4x2 = 0

Solving
100 + -4x2 = 0

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + -4x2 = 0 + -100

Combine like terms: 100 + -100 = 0
0 + -4x2 = 0 + -100
-4x2 = 0 + -100

Combine like terms: 0 + -100 = -100
-4x2 = -100

Divide each side by '-4'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

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