8r^2=672

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Solution for 8r^2=672 equation: 


Simplifying
8r2 = 672

Solving
8r2 = 672

Solving for variable 'r'.

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

Divide each side by '8'.
r2 = 84

Simplifying
r2 = 84

Take the square root of each side:
r = {-9.16515139, 9.16515139}

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