r^2-17=

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Solution for r^2-17= equation: 


Simplifying
r2 + -17 = 0

Reorder the terms:
-17 + r2 = 0

Solving
-17 + r2 = 0

Solving for variable 'r'.

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

Add '17' to each side of the equation.
-17 + 17 + r2 = 0 + 17

Combine like terms: -17 + 17 = 0
0 + r2 = 0 + 17
r2 = 0 + 17

Combine like terms: 0 + 17 = 17
r2 = 17

Simplifying
r2 = 17

Take the square root of each side:
r = {-4.123105626, 4.123105626}

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