Question

How can I solve this:

Answer 1

Hey !

The Sum of Roots is -6

Manipulate the Equation to Get :

$(3a + 6) {x}^{2} + (2a - 4)x + (a + 4) = 0$

Now, by Viete,

$- 6 = \frac{(4 - 2a)}{(3a + 6)}$

$18a + 36 = 2a - 4$

$16a = - 40$

$= > a = \frac{ - 5}{2} = - 2.5$