5c(9c+4)=

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Solution for 5c(9c+4)= equation: 


Simplifying
5c(9c + 4) = 0

Reorder the terms:
5c(4 + 9c) = 0
(4 * 5c + 9c * 5c) = 0
(20c + 45c2) = 0

Solving
20c + 45c2 = 0

Solving for variable 'c'.

Factor out the Greatest Common Factor (GCF), '5c'.
5c(4 + 9c) = 0

Ignore the factor 5.

Subproblem 1
Set the factor 'c' equal to zero and attempt to solve:

Simplifying
c = 0

Solving
c = 0

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

Simplifying
c = 0

Subproblem 2
Set the factor '(4 + 9c)' equal to zero and attempt to solve:

Simplifying
4 + 9c = 0

Solving
4 + 9c = 0

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

Add '-4' to each side of the equation.
4 + -4 + 9c = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 9c = 0 + -4
9c = 0 + -4

Combine like terms: 0 + -4 = -4
9c = -4

Divide each side by '9'.
c = -0.4444444444

Simplifying
c = -0.4444444444
Solution
c = {0, -0.4444444444}

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