b^2-121=

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Solution for b^2-121= equation: 


Simplifying
b2 + -121 = 0

Reorder the terms:
-121 + b2 = 0

Solving
-121 + b2 = 0

Solving for variable 'b'.

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

Add '121' to each side of the equation.
-121 + 121 + b2 = 0 + 121

Combine like terms: -121 + 121 = 0
0 + b2 = 0 + 121
b2 = 0 + 121

Combine like terms: 0 + 121 = 121
b2 = 121

Simplifying
b2 = 121

Take the square root of each side:
b = {-11, 11}

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