Question

What Solution set of the equation 9x^2 +6x = -1

Answer 1

Answer:

$x=\{- \frac{1}{3}\}$

Step-by-step explanation:

$9x^2 +6x = -1 \\ \\ 9x^2 +6x + 1 = 0\\ \\ {(3x + 1)}^{2} = 0 \\ \\ 3x + 1 = 0 \\ \\ 3x = - 1 \\ \\ x = - \frac{1}{3}\\\\x=\{- \frac{1}{3}\}$