(3x+4)(2x+1)=

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Solution for (3x+4)(2x+1)= equation: 


Simplifying
(3x + 4)(2x + 1) = 0

Reorder the terms:
(4 + 3x)(2x + 1) = 0

Reorder the terms:
(4 + 3x)(1 + 2x) = 0

Multiply (4 + 3x) * (1 + 2x)
(4(1 + 2x) + 3x * (1 + 2x)) = 0
((1 * 4 + 2x * 4) + 3x * (1 + 2x)) = 0
((4 + 8x) + 3x * (1 + 2x)) = 0
(4 + 8x + (1 * 3x + 2x * 3x)) = 0
(4 + 8x + (3x + 6x2)) = 0

Combine like terms: 8x + 3x = 11x
(4 + 11x + 6x2) = 0

Solving
4 + 11x + 6x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(4 + 3x)(1 + 2x) = 0


Subproblem 1
Set the factor '(4 + 3x)' equal to zero and attempt to solve:

Simplifying
4 + 3x = 0

Solving
4 + 3x = 0

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

Add '-4' to each side of the equation.
4 + -4 + 3x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 3x = 0 + -4
3x = 0 + -4

Combine like terms: 0 + -4 = -4
3x = -4

Divide each side by '3'.
x = -1.333333333

Simplifying
x = -1.333333333

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

Simplifying
1 + 2x = 0

Solving
1 + 2x = 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 + 2x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 0 + -1
2x = 0 + -1

Combine like terms: 0 + -1 = -1
2x = -1

Divide each side by '2'.
x = -0.5

Simplifying
x = -0.5
Solution
x = {-1.333333333, -0.5}

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