2x(3x+7)=x-6

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Solution for 2x(3x+7)=x-6 equation:


Simplifying
2x(3x + 7) = x + -6

Reorder the terms:
2x(7 + 3x) = x + -6
(7 * 2x + 3x * 2x) = x + -6
(14x + 6x2) = x + -6

Reorder the terms:
14x + 6x2 = -6 + x

Solving
14x + 6x2 = -6 + x

Solving for variable 'x'.

Reorder the terms:
6 + 14x + -1x + 6x2 = -6 + x + 6 + -1x

Combine like terms: 14x + -1x = 13x
6 + 13x + 6x2 = -6 + x + 6 + -1x

Reorder the terms:
6 + 13x + 6x2 = -6 + 6 + x + -1x

Combine like terms: -6 + 6 = 0
6 + 13x + 6x2 = 0 + x + -1x
6 + 13x + 6x2 = x + -1x

Combine like terms: x + -1x = 0
6 + 13x + 6x2 = 0

Factor a trinomial.
(3 + 2x)(2 + 3x) = 0

Subproblem 1

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Subproblem 2

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {-1.5, -0.6666666667}

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