2r^2=8

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Solution for 2r^2=8 equation: 


Simplifying
2r2 = 8

Solving
2r2 = 8

Solving for variable 'r'.

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

Divide each side by '2'.
r2 = 4

Simplifying
r2 = 4

Take the square root of each side:
r = {-2, 2}

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