b*b-49=

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Solution for b*b-49= equation: 


Simplifying
b * b + -49 = 0

Multiply b * b
b2 + -49 = 0

Reorder the terms:
-49 + b2 = 0

Solving
-49 + b2 = 0

Solving for variable 'b'.

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

Add '49' to each side of the equation.
-49 + 49 + b2 = 0 + 49

Combine like terms: -49 + 49 = 0
0 + b2 = 0 + 49
b2 = 0 + 49

Combine like terms: 0 + 49 = 49
b2 = 49

Simplifying
b2 = 49

Take the square root of each side:
b = {-7, 7}

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