x(3x+1)=4

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


Simplifying
x(3x + 1) = 4

Reorder the terms:
x(1 + 3x) = 4
(1 * x + 3x * x) = 4
(1x + 3x2) = 4

Solving
1x + 3x2 = 4

Solving for variable 'x'.

Reorder the terms:
-4 + 1x + 3x2 = 4 + -4

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

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

Solution

x = {-1.333333333, 1}

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