b^2-1=99

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Solution for b^2-1=99 equation: 


Simplifying
b2 + -1 = 99

Reorder the terms:
-1 + b2 = 99

Solving
-1 + b2 = 99

Solving for variable 'b'.

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

Add '1' to each side of the equation.
-1 + 1 + b2 = 99 + 1

Combine like terms: -1 + 1 = 0
0 + b2 = 99 + 1
b2 = 99 + 1

Combine like terms: 99 + 1 = 100
b2 = 100

Simplifying
b2 = 100

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

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