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Simplifying
-11 + -1b = -1b2 + 5 + -1b
Reorder the terms:
-11 + -1b = 5 + -1b + -1b2
Add 'b' to each side of the equation.
-11 + -1b + b = 5 + -1b + b + -1b2
Combine like terms: -1b + b = 0
-11 + 0 = 5 + -1b + b + -1b2
-11 = 5 + -1b + b + -1b2
Combine like terms: -1b + b = 0
-11 = 5 + 0 + -1b2
-11 = 5 + -1b2
Solving
-11 = 5 + -1b2
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Add 'b2' to each side of the equation.
-11 + b2 = 5 + -1b2 + b2
Combine like terms: -1b2 + b2 = 0
-11 + b2 = 5 + 0
-11 + b2 = 5
Add '11' to each side of the equation.
-11 + 11 + b2 = 5 + 11
Combine like terms: -11 + 11 = 0
0 + b2 = 5 + 11
b2 = 5 + 11
Combine like terms: 5 + 11 = 16
b2 = 16
Simplifying
b2 = 16
Take the square root of each side:
b = {-4, 4}
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