(3x-5)(-9+4x)=

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Solution for (3x-5)(-9+4x)= equation:


Simplifying
(3x + -5)(-9 + 4x) = 0

Reorder the terms:
(-5 + 3x)(-9 + 4x) = 0

Multiply (-5 + 3x) * (-9 + 4x)
(-5(-9 + 4x) + 3x * (-9 + 4x)) = 0
((-9 * -5 + 4x * -5) + 3x * (-9 + 4x)) = 0
((45 + -20x) + 3x * (-9 + 4x)) = 0
(45 + -20x + (-9 * 3x + 4x * 3x)) = 0
(45 + -20x + (-27x + 12x2)) = 0

Combine like terms: -20x + -27x = -47x
(45 + -47x + 12x2) = 0

Solving
45 + -47x + 12x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(5 + -3x)(9 + -4x) = 0


Subproblem 1
Set the factor '(5 + -3x)' equal to zero and attempt to solve:

Simplifying
5 + -3x = 0

Solving
5 + -3x = 0

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

Add '-5' to each side of the equation.
5 + -5 + -3x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -3x = 0 + -5
-3x = 0 + -5

Combine like terms: 0 + -5 = -5
-3x = -5

Divide each side by '-3'.
x = 1.666666667

Simplifying
x = 1.666666667

Subproblem 2
Set the factor '(9 + -4x)' equal to zero and attempt to solve:

Simplifying
9 + -4x = 0

Solving
9 + -4x = 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 + -4x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -4x = 0 + -9
-4x = 0 + -9

Combine like terms: 0 + -9 = -9
-4x = -9

Divide each side by '-4'.
x = 2.25

Simplifying
x = 2.25
Solution
x = {1.666666667, 2.25}

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