9x^2+6x+1=9

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Solution for 9x^2+6x+1=9 equation:


Simplifying
9x2 + 6x + 1 = 9

Reorder the terms:
1 + 6x + 9x2 = 9

Solving
1 + 6x + 9x2 = 9

Solving for variable 'x'.

Reorder the terms:
1 + -9 + 6x + 9x2 = 9 + -9

Combine like terms: 1 + -9 = -8
-8 + 6x + 9x2 = 9 + -9

Combine like terms: 9 + -9 = 0
-8 + 6x + 9x2 = 0

Factor a trinomial.
(-4 + -3x)(2 + -3x) = 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 '(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 = {-1.333333333, 0.6666666667}

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