0=6.28r^2+25.129-200.96

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Solution for 0=6.28r^2+25.129-200.96 equation: 


Simplifying
0 = 6.28r2 + 25.129 + -200.96

Reorder the terms:
0 = 25.129 + -200.96 + 6.28r2

Combine like terms: 25.129 + -200.96 = -175.831
0 = -175.831 + 6.28r2

Solving
0 = -175.831 + 6.28r2

Solving for variable 'r'.

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

Add '-6.28r2' to each side of the equation.
0 + -6.28r2 = -175.831 + 6.28r2 + -6.28r2
Remove the zero:
-6.28r2 = -175.831 + 6.28r2 + -6.28r2

Combine like terms: 6.28r2 + -6.28r2 = 0.00
-6.28r2 = -175.831 + 0.00
-6.28r2 = -175.831

Divide each side by '-6.28'.
r2 = 27.99856688

Simplifying
r2 = 27.99856688

Take the square root of each side:
r = {-5.291367203, 5.291367203}

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