C^2+C-72=0

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Solution for C^2+C-72=0 equation:


Simplifying
C2 + C + -72 = 0

Reorder the terms:
-72 + C + C2 = 0

Solving
-72 + C + C2 = 0

Solving for variable 'C'.

Factor a trinomial.
(-9 + -1C)(8 + -1C) = 0

Subproblem 1

Set the factor '(-9 + -1C)' equal to zero and attempt to solve: Simplifying -9 + -1C = 0 Solving -9 + -1C = 0 Move all terms containing C to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1C = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1C = 0 + 9 -1C = 0 + 9 Combine like terms: 0 + 9 = 9 -1C = 9 Divide each side by '-1'. C = -9 Simplifying C = -9

Subproblem 2

Set the factor '(8 + -1C)' equal to zero and attempt to solve: Simplifying 8 + -1C = 0 Solving 8 + -1C = 0 Move all terms containing C to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1C = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1C = 0 + -8 -1C = 0 + -8 Combine like terms: 0 + -8 = -8 -1C = -8 Divide each side by '-1'. C = 8 Simplifying C = 8

Solution

C = {-9, 8}

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