(4x+3)(3x-18)=0

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Solution for (4x+3)(3x-18)=0 equation: 


Simplifying
(4x + 3)(3x + -18) = 0

Reorder the terms:
(3 + 4x)(3x + -18) = 0

Reorder the terms:
(3 + 4x)(-18 + 3x) = 0

Multiply (3 + 4x) * (-18 + 3x)
(3(-18 + 3x) + 4x * (-18 + 3x)) = 0
((-18 * 3 + 3x * 3) + 4x * (-18 + 3x)) = 0
((-54 + 9x) + 4x * (-18 + 3x)) = 0
(-54 + 9x + (-18 * 4x + 3x * 4x)) = 0
(-54 + 9x + (-72x + 12x2)) = 0

Combine like terms: 9x + -72x = -63x
(-54 + -63x + 12x2) = 0

Solving
-54 + -63x + 12x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-18 + -21x + 4x2) = 0

Factor a trinomial.
3((-3 + -4x)(6 + -1x)) = 0

Ignore the factor 3.

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

Simplifying
-3 + -4x = 0

Solving
-3 + -4x = 0

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

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

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

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

Divide each side by '-4'.
x = -0.75

Simplifying
x = -0.75

Subproblem 2
Set the factor '(6 + -1x)' equal to zero and attempt to solve:

Simplifying
6 + -1x = 0

Solving
6 + -1x = 0

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

Add '-6' to each side of the equation.
6 + -6 + -1x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1x = 0 + -6
-1x = 0 + -6

Combine like terms: 0 + -6 = -6
-1x = -6

Divide each side by '-1'.
x = 6

Simplifying
x = 6
Solution
x = {-0.75, 6}

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