3c(5c-7)=

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Solution for 3c(5c-7)= equation: 


Simplifying
3c(5c + -7) = 0

Reorder the terms:
3c(-7 + 5c) = 0
(-7 * 3c + 5c * 3c) = 0
(-21c + 15c2) = 0

Solving
-21c + 15c2 = 0

Solving for variable 'c'.

Factor out the Greatest Common Factor (GCF), '3c'.
3c(-7 + 5c) = 0

Ignore the factor 3.

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 '(-7 + 5c)' equal to zero and attempt to solve:

Simplifying
-7 + 5c = 0

Solving
-7 + 5c = 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 + 5c = 0 + 7

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

Combine like terms: 0 + 7 = 7
5c = 7

Divide each side by '5'.
c = 1.4

Simplifying
c = 1.4
Solution
c = {0, 1.4}

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