-6=-b^2+b

Solution for -6=-b^2+b equation:

Simplifying
-6 = -1b2 + b

Reorder the terms:
-6 = b + -1b2

Solving
-6 = b + -1b2

Solving for variable 'b'.

Reorder the terms:
-6 + -1b + b2 = b + -1b + -1b2 + b2

Combine like terms: b + -1b = 0
-6 + -1b + b2 = 0 + -1b2 + b2
-6 + -1b + b2 = -1b2 + b2

Combine like terms: -1b2 + b2 = 0
-6 + -1b + b2 = 0

Factor a trinomial.
(-2 + -1b)(3 + -1b) = 0

Subproblem 1
Set the factor '(-2 + -1b)' equal to zero and attempt to solve:

Simplifying
-2 + -1b = 0

Solving
-2 + -1b = 0

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

Add '2' to each side of the equation.
-2 + 2 + -1b = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1b = 0 + 2
-1b = 0 + 2

Combine like terms: 0 + 2 = 2
-1b = 2

Divide each side by '-1'.
b = -2

Simplifying
b = -2
Subproblem 2
Set the factor '(3 + -1b)' equal to zero and attempt to solve:

Simplifying
3 + -1b = 0

Solving
3 + -1b = 0

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

Add '-3' to each side of the equation.
3 + -3 + -1b = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1b = 0 + -3
-1b = 0 + -3

Combine like terms: 0 + -3 = -3
-1b = -3

Divide each side by '-1'.
b = 3

Simplifying
b = 3
Solution
b = {-2, 3}