(x+7)(3x+2)=0

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Solution for (x+7)(3x+2)=0 equation: 


Simplifying
(x + 7)(3x + 2) = 0

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

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

Multiply (7 + x) * (2 + 3x)
(7(2 + 3x) + x(2 + 3x)) = 0
((2 * 7 + 3x * 7) + x(2 + 3x)) = 0
((14 + 21x) + x(2 + 3x)) = 0
(14 + 21x + (2 * x + 3x * x)) = 0
(14 + 21x + (2x + 3x2)) = 0

Combine like terms: 21x + 2x = 23x
(14 + 23x + 3x2) = 0

Solving
14 + 23x + 3x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(7 + x)' equal to zero and attempt to solve:

Simplifying
7 + x = 0

Solving
7 + x = 0

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

Add '-7' to each side of the equation.
7 + -7 + x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + x = 0 + -7
x = 0 + -7

Combine like terms: 0 + -7 = -7
x = -7

Simplifying
x = -7

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 = {-7, -0.6666666667}

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