0=6.28r^2+25.129-2500.96

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Solution for 0=6.28r^2+25.129-2500.96 equation: 


Simplifying
0 = 6.28r2 + 25.129 + -2500.96

Reorder the terms:
0 = 25.129 + -2500.96 + 6.28r2

Combine like terms: 25.129 + -2500.96 = -2475.831
0 = -2475.831 + 6.28r2

Solving
0 = -2475.831 + 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 = -2475.831 + 6.28r2 + -6.28r2
Remove the zero:
-6.28r2 = -2475.831 + 6.28r2 + -6.28r2

Combine like terms: 6.28r2 + -6.28r2 = 0.00
-6.28r2 = -2475.831 + 0.00
-6.28r2 = -2475.831

Divide each side by '-6.28'.
r2 = 394.2406051

Simplifying
r2 = 394.2406051

Take the square root of each side:
r = {-19.855493071, 19.855493071}

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