(2+3c)(4+6c+9c)=

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Solution for (2+3c)(4+6c+9c)= equation:


Simplifying
(2 + 3c)(4 + 6c + 9c) = 0

Combine like terms: 6c + 9c = 15c
(2 + 3c)(4 + 15c) = 0

Multiply (2 + 3c) * (4 + 15c)
(2(4 + 15c) + 3c * (4 + 15c)) = 0
((4 * 2 + 15c * 2) + 3c * (4 + 15c)) = 0
((8 + 30c) + 3c * (4 + 15c)) = 0
(8 + 30c + (4 * 3c + 15c * 3c)) = 0
(8 + 30c + (12c + 45c2)) = 0

Combine like terms: 30c + 12c = 42c
(8 + 42c + 45c2) = 0

Solving
8 + 42c + 45c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(2 + 3c)(4 + 15c) = 0

Subproblem 1

Set the factor '(2 + 3c)' equal to zero and attempt to solve: Simplifying 2 + 3c = 0 Solving 2 + 3c = 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 + 3c = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3c = 0 + -2 3c = 0 + -2 Combine like terms: 0 + -2 = -2 3c = -2 Divide each side by '3'. c = -0.6666666667 Simplifying c = -0.6666666667

Subproblem 2

Set the factor '(4 + 15c)' equal to zero and attempt to solve: Simplifying 4 + 15c = 0 Solving 4 + 15c = 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 + 15c = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 15c = 0 + -4 15c = 0 + -4 Combine like terms: 0 + -4 = -4 15c = -4 Divide each side by '15'. c = -0.2666666667 Simplifying c = -0.2666666667

Solution

c = {-0.6666666667, -0.2666666667}

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