(2+5c)(3)=

Solution for (2+5c)(3)= equation:

Simplifying
(2 + 5c)(3) = 0

Reorder the terms for easier multiplication:
3(2 + 5c) = 0
(2 * 3 + 5c * 3) = 0
(6 + 15c) = 0

Solving
6 + 15c = 0

Solving for variable 'c'.

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

Add '-6' to each side of the equation.
6 + -6 + 15c = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 15c = 0 + -6
15c = 0 + -6

Combine like terms: 0 + -6 = -6
15c = -6

Divide each side by '15'.
c = -0.4

Simplifying
c = -0.4