9x(x+3)=22

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Solution for 9x(x+3)=22 equation:


Simplifying
9x(x + 3) = 22

Reorder the terms:
9x(3 + x) = 22
(3 * 9x + x * 9x) = 22
(27x + 9x2) = 22

Solving
27x + 9x2 = 22

Solving for variable 'x'.

Reorder the terms:
-22 + 27x + 9x2 = 22 + -22

Combine like terms: 22 + -22 = 0
-22 + 27x + 9x2 = 0

Factor a trinomial.
(-11 + -3x)(2 + -3x) = 0

Subproblem 1

Set the factor '(-11 + -3x)' equal to zero and attempt to solve: Simplifying -11 + -3x = 0 Solving -11 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -3x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -3x = 0 + 11 -3x = 0 + 11 Combine like terms: 0 + 11 = 11 -3x = 11 Divide each side by '-3'. x = -3.666666667 Simplifying x = -3.666666667

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 = {-3.666666667, 0.6666666667}

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