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

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


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

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

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

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

Combine like terms: 3x + -4x = -1x
(-4 + -1x + 3x2) = 0

Solving
-4 + -1x + 3x2 = 0

Solving for variable 'x'.

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-1, 1.333333333}

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