(x+3)(2x-5x-9)=

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Solution for (x+3)(2x-5x-9)= equation:


Simplifying
(x + 3)(2x + -5x + -9) = 0

Reorder the terms:
(3 + x)(2x + -5x + -9) = 0

Reorder the terms:
(3 + x)(-9 + 2x + -5x) = 0

Combine like terms: 2x + -5x = -3x
(3 + x)(-9 + -3x) = 0

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

Combine like terms: -9x + -9x = -18x
(-27 + -18x + -3x2) = 0

Solving
-27 + -18x + -3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-3'.
-3(9 + 6x + x2) = 0

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

Ignore the factor -3.

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 '(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

Solution

x = {-3, -3}

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