r^2+2=47

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Solution for r^2+2=47 equation: 


Simplifying
r2 + 2 = 47

Reorder the terms:
2 + r2 = 47

Solving
2 + r2 = 47

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + r2 = 47 + -2

Combine like terms: 2 + -2 = 0
0 + r2 = 47 + -2
r2 = 47 + -2

Combine like terms: 47 + -2 = 45
r2 = 45

Simplifying
r2 = 45

Take the square root of each side:
r = {-6.708203933, 6.708203933}

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