28.26=3.14(x^2)

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Solution for 28.26=3.14(x^2) equation: 


Simplifying
28.26 = 3.14(x2)

Solving
28.26 = 3.14x2

Solving for variable 'x'.

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

Add '-3.14x2' to each side of the equation.
28.26 + -3.14x2 = 3.14x2 + -3.14x2

Combine like terms: 3.14x2 + -3.14x2 = 0.00
28.26 + -3.14x2 = 0.00

Add '-28.26' to each side of the equation.
28.26 + -28.26 + -3.14x2 = 0.00 + -28.26

Combine like terms: 28.26 + -28.26 = 0.00
0.00 + -3.14x2 = 0.00 + -28.26
-3.14x2 = 0.00 + -28.26

Combine like terms: 0.00 + -28.26 = -28.26
-3.14x2 = -28.26

Divide each side by '-3.14'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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