4*3.141592*(x^2)=9

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Solution for 4*3.141592*(x^2)=9 equation:


Simplifying
4 * 3.141592(x2) = 9

Multiply 4 * 3.141592
12.566368x2 = 9

Solving
12.566368x2 = 9

Solving for variable 'x'.

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

Divide each side by '12.566368'.
x2 = 0.7161973929

Simplifying
x2 = 0.7161973929

Take the square root of each side:
x = {-0.846284463, 0.846284463}

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