(3x+2)(5x+1)=0

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Solution for (3x+2)(5x+1)=0 equation: 


Simplifying
(3x + 2)(5x + 1) = 0

Reorder the terms:
(2 + 3x)(5x + 1) = 0

Reorder the terms:
(2 + 3x)(1 + 5x) = 0

Multiply (2 + 3x) * (1 + 5x)
(2(1 + 5x) + 3x * (1 + 5x)) = 0
((1 * 2 + 5x * 2) + 3x * (1 + 5x)) = 0
((2 + 10x) + 3x * (1 + 5x)) = 0
(2 + 10x + (1 * 3x + 5x * 3x)) = 0
(2 + 10x + (3x + 15x2)) = 0

Combine like terms: 10x + 3x = 13x
(2 + 13x + 15x2) = 0

Solving
2 + 13x + 15x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(2 + 3x)(1 + 5x) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(1 + 5x)' equal to zero and attempt to solve:

Simplifying
1 + 5x = 0

Solving
1 + 5x = 0

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

Add '-1' to each side of the equation.
1 + -1 + 5x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 5x = 0 + -1
5x = 0 + -1

Combine like terms: 0 + -1 = -1
5x = -1

Divide each side by '5'.
x = -0.2

Simplifying
x = -0.2
Solution
x = {-0.6666666667, -0.2}

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