2c^2-7c=-5

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Solution for 2c^2-7c=-5 equation:


Simplifying
2c2 + -7c = -5

Reorder the terms:
-7c + 2c2 = -5

Solving
-7c + 2c2 = -5

Solving for variable 'c'.

Reorder the terms:
5 + -7c + 2c2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + -7c + 2c2 = 0

Factor a trinomial.
(1 + -1c)(5 + -2c) = 0

Subproblem 1

Set the factor '(1 + -1c)' equal to zero and attempt to solve: Simplifying 1 + -1c = 0 Solving 1 + -1c = 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 + -1c = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1c = 0 + -1 -1c = 0 + -1 Combine like terms: 0 + -1 = -1 -1c = -1 Divide each side by '-1'. c = 1 Simplifying c = 1

Subproblem 2

Set the factor '(5 + -2c)' equal to zero and attempt to solve: Simplifying 5 + -2c = 0 Solving 5 + -2c = 0 Move all terms containing c to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2c = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2c = 0 + -5 -2c = 0 + -5 Combine like terms: 0 + -5 = -5 -2c = -5 Divide each side by '-2'. c = 2.5 Simplifying c = 2.5

Solution

c = {1, 2.5}

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