d^2-d-8=-8

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Solution for d^2-d-8=-8 equation:


Simplifying
d2 + -1d + -8 = -8

Reorder the terms:
-8 + -1d + d2 = -8

Add '8' to each side of the equation.
-8 + -1d + 8 + d2 = -8 + 8

Reorder the terms:
-8 + 8 + -1d + d2 = -8 + 8

Combine like terms: -8 + 8 = 0
0 + -1d + d2 = -8 + 8
-1d + d2 = -8 + 8

Combine like terms: -8 + 8 = 0
-1d + d2 = 0

Solving
-1d + d2 = 0

Solving for variable 'd'.

Factor out the Greatest Common Factor (GCF), 'd'.
d(-1 + d) = 0

Subproblem 1

Set the factor 'd' equal to zero and attempt to solve: Simplifying d = 0 Solving d = 0 Move all terms containing d to the left, all other terms to the right. Simplifying d = 0

Subproblem 2

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

Solution

d = {0, 1}

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