(3x-8)(4x+1)=0

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Solution for (3x-8)(4x+1)=0 equation:


Simplifying
(3x + -8)(4x + 1) = 0

Reorder the terms:
(-8 + 3x)(4x + 1) = 0

Reorder the terms:
(-8 + 3x)(1 + 4x) = 0

Multiply (-8 + 3x) * (1 + 4x)
(-8(1 + 4x) + 3x * (1 + 4x)) = 0
((1 * -8 + 4x * -8) + 3x * (1 + 4x)) = 0
((-8 + -32x) + 3x * (1 + 4x)) = 0
(-8 + -32x + (1 * 3x + 4x * 3x)) = 0
(-8 + -32x + (3x + 12x2)) = 0

Combine like terms: -32x + 3x = -29x
(-8 + -29x + 12x2) = 0

Solving
-8 + -29x + 12x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -4x)(8 + -3x) = 0

Subproblem 1

Set the factor '(-1 + -4x)' equal to zero and attempt to solve: Simplifying -1 + -4x = 0 Solving -1 + -4x = 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 + -4x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -4x = 0 + 1 -4x = 0 + 1 Combine like terms: 0 + 1 = 1 -4x = 1 Divide each side by '-4'. x = -0.25 Simplifying x = -0.25

Subproblem 2

Set the factor '(8 + -3x)' equal to zero and attempt to solve: Simplifying 8 + -3x = 0 Solving 8 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -3x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3x = 0 + -8 -3x = 0 + -8 Combine like terms: 0 + -8 = -8 -3x = -8 Divide each side by '-3'. x = 2.666666667 Simplifying x = 2.666666667

Solution

x = {-0.25, 2.666666667}

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