0=3x^2-11x-4

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Solution for 0=3x^2-11x-4 equation:


Simplifying
0 = 3x2 + -11x + -4

Reorder the terms:
0 = -4 + -11x + 3x2

Solving
0 = -4 + -11x + 3x2

Solving for variable 'x'.

Combine like terms: 0 + 4 = 4
4 + 11x + -3x2 = -4 + -11x + 3x2 + 4 + 11x + -3x2

Reorder the terms:
4 + 11x + -3x2 = -4 + 4 + -11x + 11x + 3x2 + -3x2

Combine like terms: -4 + 4 = 0
4 + 11x + -3x2 = 0 + -11x + 11x + 3x2 + -3x2
4 + 11x + -3x2 = -11x + 11x + 3x2 + -3x2

Combine like terms: -11x + 11x = 0
4 + 11x + -3x2 = 0 + 3x2 + -3x2
4 + 11x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
4 + 11x + -3x2 = 0

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

Subproblem 1

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

Subproblem 2

Set the factor '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 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 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333

Solution

x = {4, -0.3333333333}

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