(2x+4)(9x-3)=0

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Solution for (2x+4)(9x-3)=0 equation: 


Simplifying
(2x + 4)(9x + -3) = 0

Reorder the terms:
(4 + 2x)(9x + -3) = 0

Reorder the terms:
(4 + 2x)(-3 + 9x) = 0

Multiply (4 + 2x) * (-3 + 9x)
(4(-3 + 9x) + 2x * (-3 + 9x)) = 0
((-3 * 4 + 9x * 4) + 2x * (-3 + 9x)) = 0
((-12 + 36x) + 2x * (-3 + 9x)) = 0
(-12 + 36x + (-3 * 2x + 9x * 2x)) = 0
(-12 + 36x + (-6x + 18x2)) = 0

Combine like terms: 36x + -6x = 30x
(-12 + 30x + 18x2) = 0

Solving
-12 + 30x + 18x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-2 + 5x + 3x2) = 0

Factor a trinomial.
6((-2 + -1x)(1 + -3x)) = 0

Ignore the factor 6.

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

Simplifying
-2 + -1x = 0

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

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

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

Divide each side by '-1'.
x = -2

Simplifying
x = -2

Subproblem 2
Set the factor '(1 + -3x)' equal to zero and attempt to solve:

Simplifying
1 + -3x = 0

Solving
1 + -3x = 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 + -3x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -3x = 0 + -1
-3x = 0 + -1

Combine like terms: 0 + -1 = -1
-3x = -1

Divide each side by '-3'.
x = 0.3333333333

Simplifying
x = 0.3333333333
Solution
x = {-2, 0.3333333333}

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