(3x+8)(3x+5)=

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Solution for (3x+8)(3x+5)= equation: 


Simplifying
(3x + 8)(3x + 5) = 0

Reorder the terms:
(8 + 3x)(3x + 5) = 0

Reorder the terms:
(8 + 3x)(5 + 3x) = 0

Multiply (8 + 3x) * (5 + 3x)
(8(5 + 3x) + 3x * (5 + 3x)) = 0
((5 * 8 + 3x * 8) + 3x * (5 + 3x)) = 0
((40 + 24x) + 3x * (5 + 3x)) = 0
(40 + 24x + (5 * 3x + 3x * 3x)) = 0
(40 + 24x + (15x + 9x2)) = 0

Combine like terms: 24x + 15x = 39x
(40 + 39x + 9x2) = 0

Solving
40 + 39x + 9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(8 + 3x)(5 + 3x) = 0


Subproblem 1
Set the factor '(8 + 3x)' equal to zero and attempt to solve:

Simplifying
8 + 3x = 0

Solving
8 + 3x = 0

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

Add '-8' to each side of the equation.
8 + -8 + 3x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 3x = 0 + -8
3x = 0 + -8

Combine like terms: 0 + -8 = -8
3x = -8

Divide each side by '3'.
x = -2.666666667

Simplifying
x = -2.666666667

Subproblem 2
Set the factor '(5 + 3x)' equal to zero and attempt to solve:

Simplifying
5 + 3x = 0

Solving
5 + 3x = 0

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

Add '-5' to each side of the equation.
5 + -5 + 3x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 3x = 0 + -5
3x = 0 + -5

Combine like terms: 0 + -5 = -5
3x = -5

Divide each side by '3'.
x = -1.666666667

Simplifying
x = -1.666666667
Solution
x = {-2.666666667, -1.666666667}

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