196*3.14=4*3.14x*x

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Solution for 196*3.14=4*3.14x*x equation:


Simplifying
196 * 3.14 = 4 * 3.14x * x

Multiply 196 * 3.14
615.44 = 4 * 3.14x * x

Multiply 4 * 3.14
615.44 = 12.56x * x

Multiply x * x
615.44 = 12.56x2

Solving
615.44 = 12.56x2

Solving for variable 'x'.

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

Add '-12.56x2' to each side of the equation.
615.44 + -12.56x2 = 12.56x2 + -12.56x2

Combine like terms: 12.56x2 + -12.56x2 = 0.00
615.44 + -12.56x2 = 0.00

Add '-615.44' to each side of the equation.
615.44 + -615.44 + -12.56x2 = 0.00 + -615.44

Combine like terms: 615.44 + -615.44 = 0.00
0.00 + -12.56x2 = 0.00 + -615.44
-12.56x2 = 0.00 + -615.44

Combine like terms: 0.00 + -615.44 = -615.44
-12.56x2 = -615.44

Divide each side by '-12.56'.
x2 = 49

Simplifying
x2 = 49

Take the square root of each side:
x = {-7, 7}

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