c^2+7c=144

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Solution for c^2+7c=144 equation:


Simplifying
c2 + 7c = 144

Reorder the terms:
7c + c2 = 144

Solving
7c + c2 = 144

Solving for variable 'c'.

Reorder the terms:
-144 + 7c + c2 = 144 + -144

Combine like terms: 144 + -144 = 0
-144 + 7c + c2 = 0

Factor a trinomial.
(-16 + -1c)(9 + -1c) = 0

Subproblem 1

Set the factor '(-16 + -1c)' equal to zero and attempt to solve: Simplifying -16 + -1c = 0 Solving -16 + -1c = 0 Move all terms containing c to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + -1c = 0 + 16 Combine like terms: -16 + 16 = 0 0 + -1c = 0 + 16 -1c = 0 + 16 Combine like terms: 0 + 16 = 16 -1c = 16 Divide each side by '-1'. c = -16 Simplifying c = -16

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 = {-16, 9}

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