(-6x-9)(3-x)=

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Solution for (-6x-9)(3-x)= equation:


Simplifying
(-6x + -9)(3 + -1x) = 0

Reorder the terms:
(-9 + -6x)(3 + -1x) = 0

Multiply (-9 + -6x) * (3 + -1x)
(-9(3 + -1x) + -6x * (3 + -1x)) = 0
((3 * -9 + -1x * -9) + -6x * (3 + -1x)) = 0
((-27 + 9x) + -6x * (3 + -1x)) = 0
(-27 + 9x + (3 * -6x + -1x * -6x)) = 0
(-27 + 9x + (-18x + 6x2)) = 0

Combine like terms: 9x + -18x = -9x
(-27 + -9x + 6x2) = 0

Solving
-27 + -9x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-9 + -3x + 2x2) = 0

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

Ignore the factor 3.

Subproblem 1

Set the factor '(-3 + -2x)' equal to zero and attempt to solve: Simplifying -3 + -2x = 0 Solving -3 + -2x = 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 + -2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x = 0 + 3 -2x = 0 + 3 Combine like terms: 0 + 3 = 3 -2x = 3 Divide each side by '-2'. x = -1.5 Simplifying x = -1.5

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-1.5, 3}

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