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

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


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

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

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

Multiply (-4 + 3x) * (-9 + x)
(-4(-9 + x) + 3x * (-9 + x)) = 0
((-9 * -4 + x * -4) + 3x * (-9 + x)) = 0
((36 + -4x) + 3x * (-9 + x)) = 0
(36 + -4x + (-9 * 3x + x * 3x)) = 0
(36 + -4x + (-27x + 3x2)) = 0

Combine like terms: -4x + -27x = -31x
(36 + -31x + 3x2) = 0

Solving
36 + -31x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(4 + -3x)(9 + -1x) = 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 '(9 + -1x)' equal to zero and attempt to solve:

Simplifying
9 + -1x = 0

Solving
9 + -1x = 0

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

Add '-9' to each side of the equation.
9 + -9 + -1x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = 0 + -9
-1x = 0 + -9

Combine like terms: 0 + -9 = -9
-1x = -9

Divide each side by '-1'.
x = 9

Simplifying
x = 9
Solution
x = {1.333333333, 9}

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