9=3x^2+4x-6

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Solution for 9=3x^2+4x-6 equation:


Simplifying
9 = 3x2 + 4x + -6

Reorder the terms:
9 = -6 + 4x + 3x2

Solving
9 = -6 + 4x + 3x2

Solving for variable 'x'.

Combine like terms: 9 + 6 = 15
15 + -4x + -3x2 = -6 + 4x + 3x2 + 6 + -4x + -3x2

Reorder the terms:
15 + -4x + -3x2 = -6 + 6 + 4x + -4x + 3x2 + -3x2

Combine like terms: -6 + 6 = 0
15 + -4x + -3x2 = 0 + 4x + -4x + 3x2 + -3x2
15 + -4x + -3x2 = 4x + -4x + 3x2 + -3x2

Combine like terms: 4x + -4x = 0
15 + -4x + -3x2 = 0 + 3x2 + -3x2
15 + -4x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
15 + -4x + -3x2 = 0

Factor a trinomial.
(5 + -3x)(3 + x) = 0

Subproblem 1

Set the factor '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {1.666666667, -3}

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