8c^2+18c+7=

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Solution for 8c^2+18c+7= equation:


Simplifying
8c2 + 18c + 7 = 0

Reorder the terms:
7 + 18c + 8c2 = 0

Solving
7 + 18c + 8c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(7 + 4c)(1 + 2c) = 0

Subproblem 1

Set the factor '(7 + 4c)' equal to zero and attempt to solve: Simplifying 7 + 4c = 0 Solving 7 + 4c = 0 Move all terms containing c to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 4c = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 4c = 0 + -7 4c = 0 + -7 Combine like terms: 0 + -7 = -7 4c = -7 Divide each side by '4'. c = -1.75 Simplifying c = -1.75

Subproblem 2

Set the factor '(1 + 2c)' equal to zero and attempt to solve: Simplifying 1 + 2c = 0 Solving 1 + 2c = 0 Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2c = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2c = 0 + -1 2c = 0 + -1 Combine like terms: 0 + -1 = -1 2c = -1 Divide each side by '2'. c = -0.5 Simplifying c = -0.5

Solution

c = {-1.75, -0.5}

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