5r^2-5=0

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Solution for 5r^2-5=0 equation: 


Simplifying
5r2 + -5 = 0

Reorder the terms:
-5 + 5r2 = 0

Solving
-5 + 5r2 = 0

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + 5r2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 5r2 = 0 + 5
5r2 = 0 + 5

Combine like terms: 0 + 5 = 5
5r2 = 5

Divide each side by '5'.
r2 = 1

Simplifying
r2 = 1

Take the square root of each side:
r = {-1, 1}

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