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

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


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

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

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

Multiply (-1 + 4x) * (4 + 3x)
(-1(4 + 3x) + 4x * (4 + 3x)) = 0
((4 * -1 + 3x * -1) + 4x * (4 + 3x)) = 0
((-4 + -3x) + 4x * (4 + 3x)) = 0
(-4 + -3x + (4 * 4x + 3x * 4x)) = 0
(-4 + -3x + (16x + 12x2)) = 0

Combine like terms: -3x + 16x = 13x
(-4 + 13x + 12x2) = 0

Solving
-4 + 13x + 12x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(-4 + -3x)' equal to zero and attempt to solve: Simplifying -4 + -3x = 0 Solving -4 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -3x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -3x = 0 + 4 -3x = 0 + 4 Combine like terms: 0 + 4 = 4 -3x = 4 Divide each side by '-3'. x = -1.333333333 Simplifying x = -1.333333333

Subproblem 2

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

Solution

x = {-1.333333333, 0.25}

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