=(6x+9)(x-4x+3)

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Solution for =(6x+9)(x-4x+3) equation:


Simplifying
0 = (6x + 9)(x + -4x + 3)

Reorder the terms:
0 = (9 + 6x)(x + -4x + 3)

Reorder the terms:
0 = (9 + 6x)(3 + x + -4x)

Combine like terms: x + -4x = -3x
0 = (9 + 6x)(3 + -3x)

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

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

Solving
0 = 27 + -9x + -18x2

Solving for variable 'x'.

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

Reorder the terms:
-27 + 9x + 18x2 = 27 + -27 + -9x + 9x + -18x2 + 18x2

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

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

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

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

Factor a trinomial.
9((-3 + -2x)(1 + -1x)) = 0

Ignore the factor 9.

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

Solution

x = {-1.5, 1}

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