r^2+3=57

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Solution for r^2+3=57 equation: 


Simplifying
r2 + 3 = 57

Reorder the terms:
3 + r2 = 57

Solving
3 + r2 = 57

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 = 57 + -3

Combine like terms: 3 + -3 = 0
0 + r2 = 57 + -3
r2 = 57 + -3

Combine like terms: 57 + -3 = 54
r2 = 54

Simplifying
r2 = 54

Take the square root of each side:
r = {-7.348469228, 7.348469228}

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