(3x+2)(4x+5)=

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Solution for (3x+2)(4x+5)= equation: 


Simplifying
(3x + 2)(4x + 5) = 0

Reorder the terms:
(2 + 3x)(4x + 5) = 0

Reorder the terms:
(2 + 3x)(5 + 4x) = 0

Multiply (2 + 3x) * (5 + 4x)
(2(5 + 4x) + 3x * (5 + 4x)) = 0
((5 * 2 + 4x * 2) + 3x * (5 + 4x)) = 0
((10 + 8x) + 3x * (5 + 4x)) = 0
(10 + 8x + (5 * 3x + 4x * 3x)) = 0
(10 + 8x + (15x + 12x2)) = 0

Combine like terms: 8x + 15x = 23x
(10 + 23x + 12x2) = 0

Solving
10 + 23x + 12x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(5 + 4x)(2 + 3x) = 0


Subproblem 1
Set the factor '(5 + 4x)' equal to zero and attempt to solve:

Simplifying
5 + 4x = 0

Solving
5 + 4x = 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 + 4x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 4x = 0 + -5
4x = 0 + -5

Combine like terms: 0 + -5 = -5
4x = -5

Divide each side by '4'.
x = -1.25

Simplifying
x = -1.25

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

Simplifying
2 + 3x = 0

Solving
2 + 3x = 0

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

Add '-2' to each side of the equation.
2 + -2 + 3x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 3x = 0 + -2
3x = 0 + -2

Combine like terms: 0 + -2 = -2
3x = -2

Divide each side by '3'.
x = -0.6666666667

Simplifying
x = -0.6666666667
Solution
x = {-1.25, -0.6666666667}

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