(3x+8)(4x-1)=-3(x-9)

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Solution for (3x+8)(4x-1)=-3(x-9) equation:


Simplifying
(3x + 8)(4x + -1) = -3(x + -9)

Reorder the terms:
(8 + 3x)(4x + -1) = -3(x + -9)

Reorder the terms:
(8 + 3x)(-1 + 4x) = -3(x + -9)

Multiply (8 + 3x) * (-1 + 4x)
(8(-1 + 4x) + 3x * (-1 + 4x)) = -3(x + -9)
((-1 * 8 + 4x * 8) + 3x * (-1 + 4x)) = -3(x + -9)
((-8 + 32x) + 3x * (-1 + 4x)) = -3(x + -9)
(-8 + 32x + (-1 * 3x + 4x * 3x)) = -3(x + -9)
(-8 + 32x + (-3x + 12x2)) = -3(x + -9)

Combine like terms: 32x + -3x = 29x
(-8 + 29x + 12x2) = -3(x + -9)

Reorder the terms:
-8 + 29x + 12x2 = -3(-9 + x)
-8 + 29x + 12x2 = (-9 * -3 + x * -3)
-8 + 29x + 12x2 = (27 + -3x)

Solving
-8 + 29x + 12x2 = 27 + -3x

Solving for variable 'x'.

Reorder the terms:
-8 + -27 + 29x + 3x + 12x2 = 27 + -3x + -27 + 3x

Combine like terms: -8 + -27 = -35
-35 + 29x + 3x + 12x2 = 27 + -3x + -27 + 3x

Combine like terms: 29x + 3x = 32x
-35 + 32x + 12x2 = 27 + -3x + -27 + 3x

Reorder the terms:
-35 + 32x + 12x2 = 27 + -27 + -3x + 3x

Combine like terms: 27 + -27 = 0
-35 + 32x + 12x2 = 0 + -3x + 3x
-35 + 32x + 12x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
-35 + 32x + 12x2 = 0

Factor a trinomial.
(-7 + -2x)(5 + -6x) = 0

Subproblem 1

Set the factor '(-7 + -2x)' equal to zero and attempt to solve: Simplifying -7 + -2x = 0 Solving -7 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2x = 0 + 7 -2x = 0 + 7 Combine like terms: 0 + 7 = 7 -2x = 7 Divide each side by '-2'. x = -3.5 Simplifying x = -3.5

Subproblem 2

Set the factor '(5 + -6x)' equal to zero and attempt to solve: Simplifying 5 + -6x = 0 Solving 5 + -6x = 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 + -6x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -6x = 0 + -5 -6x = 0 + -5 Combine like terms: 0 + -5 = -5 -6x = -5 Divide each side by '-6'. x = 0.8333333333 Simplifying x = 0.8333333333

Solution

x = {-3.5, 0.8333333333}

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