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

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


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

Reorder the terms:
x(7 + 3x) + -3x = 0
(7 * x + 3x * x) + -3x = 0
(7x + 3x2) + -3x = 0

Reorder the terms:
7x + -3x + 3x2 = 0

Combine like terms: 7x + -3x = 4x
4x + 3x2 = 0

Solving
4x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(4 + 3x) = 0


Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0

Subproblem 2
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
Solution
x = {0, -1.333333333}

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