1C+C^2=90

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Solution for 1C+C^2=90 equation:


Simplifying
1C + C2 = 90

Solving
1C + C2 = 90

Solving for variable 'C'.

Reorder the terms:
-90 + 1C + C2 = 90 + -90

Combine like terms: 90 + -90 = 0
-90 + 1C + C2 = 0

Factor a trinomial.
(-10 + -1C)(9 + -1C) = 0

Subproblem 1

Set the factor '(-10 + -1C)' equal to zero and attempt to solve: Simplifying -10 + -1C = 0 Solving -10 + -1C = 0 Move all terms containing C to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1C = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1C = 0 + 10 -1C = 0 + 10 Combine like terms: 0 + 10 = 10 -1C = 10 Divide each side by '-1'. C = -10 Simplifying C = -10

Subproblem 2

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

Solution

C = {-10, 9}

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