r^2+3=11

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Solution for r^2+3=11 equation: 


Simplifying
r2 + 3 = 11

Reorder the terms:
3 + r2 = 11

Solving
3 + r2 = 11

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + r2 = 11 + -3

Combine like terms: 3 + -3 = 0
0 + r2 = 11 + -3
r2 = 11 + -3

Combine like terms: 11 + -3 = 8
r2 = 8

Simplifying
r2 = 8

Take the square root of each side:
r = {-2.828427125, 2.828427125}

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