d-d^2+d-1=0

Solution for d-d^2+d-1=0 equation:

Simplifying
d + -1d2 + d + -1 = 0

Reorder the terms:
-1 + d + d + -1d2 = 0

Combine like terms: d + d = 2d
-1 + 2d + -1d2 = 0

Solving
-1 + 2d + -1d2 = 0

Solving for variable 'd'.

Factor a trinomial.
(-1 + d)(1 + -1d) = 0

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

Simplifying
-1 + d = 0

Solving
-1 + d = 0

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

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

Combine like terms: -1 + 1 = 0
0 + d = 0 + 1
d = 0 + 1

Combine like terms: 0 + 1 = 1
d = 1

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

Simplifying
1 + -1d = 0

Solving
1 + -1d = 0

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

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

Combine like terms: 1 + -1 = 0
0 + -1d = 0 + -1
-1d = 0 + -1

Combine like terms: 0 + -1 = -1
-1d = -1

Divide each side by '-1'.
d = 1

Simplifying
d = 1
Solution
d = {1, 1}