400=0.0119x^2

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Solution for 400=0.0119x^2 equation: 


Simplifying
400 = 0.0119x2

Solving
400 = 0.0119x2

Solving for variable 'x'.

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

Add '-0.0119x2' to each side of the equation.
400 + -0.0119x2 = 0.0119x2 + -0.0119x2

Combine like terms: 0.0119x2 + -0.0119x2 = 0.0000
400 + -0.0119x2 = 0.0000

Add '-400' to each side of the equation.
400 + -400 + -0.0119x2 = 0.0000 + -400

Combine like terms: 400 + -400 = 0
0 + -0.0119x2 = 0.0000 + -400
-0.0119x2 = 0.0000 + -400

Combine like terms: 0.0000 + -400 = -400
-0.0119x2 = -400

Divide each side by '-0.0119'.
x2 = 33613.44538

Simplifying
x2 = 33613.44538

Take the square root of each side:
x = {-183.339699411, 183.339699411}

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