5c^2-2-9c=

Solution for 5c^2-2-9c= equation:

Simplifying
5c2 + -2 + -9c = 0

Reorder the terms:
-2 + -9c + 5c2 = 0

Solving
-2 + -9c + 5c2 = 0

Solving for variable 'c'.

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

Subproblem 1
Set the factor '(-1 + -5c)' equal to zero and attempt to solve:

Simplifying
-1 + -5c = 0

Solving
-1 + -5c = 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 + -5c = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -5c = 0 + 1
-5c = 0 + 1

Combine like terms: 0 + 1 = 1
-5c = 1

Divide each side by '-5'.
c = -0.2

Simplifying
c = -0.2
Subproblem 2
Set the factor '(2 + -1c)' equal to zero and attempt to solve:

Simplifying
2 + -1c = 0

Solving
2 + -1c = 0

Move all terms containing c to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + -1c = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1c = 0 + -2
-1c = 0 + -2

Combine like terms: 0 + -2 = -2
-1c = -2

Divide each side by '-1'.
c = 2

Simplifying
c = 2
Solution
c = {-0.2, 2}