3.14*2*x*x=75

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Solution for 3.14*2*x*x=75 equation: 


Simplifying
3.14 * 2x * x = 75

Multiply 3.14 * 2
6.28x * x = 75

Multiply x * x
6.28x2 = 75

Solving
6.28x2 = 75

Solving for variable 'x'.

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

Divide each side by '6.28'.
x2 = 11.94267516

Simplifying
x2 = 11.94267516

Take the square root of each side:
x = {-3.455817582, 3.455817582}

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