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

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


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

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

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

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

Combine like terms: 36x + 6x = 42x
(-18 + 42x + -12x2) = 0

Solving
-18 + 42x + -12x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-3 + 7x + -2x2) = 0

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

Ignore the factor 6.

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

Simplifying
-3 + x = 0

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

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

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

Simplifying
x = 3

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

Simplifying
1 + -2x = 0

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

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

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

Divide each side by '-2'.
x = 0.5

Simplifying
x = 0.5
Solution
x = {3, 0.5}

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