9x^2+18x+15=10

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Solution for 9x^2+18x+15=10 equation:


Simplifying
9x2 + 18x + 15 = 10

Reorder the terms:
15 + 18x + 9x2 = 10

Solving
15 + 18x + 9x2 = 10

Solving for variable 'x'.

Reorder the terms:
15 + -10 + 18x + 9x2 = 10 + -10

Combine like terms: 15 + -10 = 5
5 + 18x + 9x2 = 10 + -10

Combine like terms: 10 + -10 = 0
5 + 18x + 9x2 = 0

Factor a trinomial.
(5 + 3x)(1 + 3x) = 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 '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 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 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333

Solution

x = {-1.666666667, -0.3333333333}

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