r^2-4=96

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Solution for r^2-4=96 equation: 


Simplifying
r2 + -4 = 96

Reorder the terms:
-4 + r2 = 96

Solving
-4 + r2 = 96

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + r2 = 96 + 4

Combine like terms: -4 + 4 = 0
0 + r2 = 96 + 4
r2 = 96 + 4

Combine like terms: 96 + 4 = 100
r2 = 100

Simplifying
r2 = 100

Take the square root of each side:
r = {-10, 10}

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