B^2+7b-7b-49=0

Solution for B^2+7b-7b-49=0 equation:

Simplifying
B2 + 7b + -7b + -49 = 0

Reorder the terms:
-49 + B2 + 7b + -7b = 0

Combine like terms: 7b + -7b = 0
-49 + B2 + 0 = 0
-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}