Question

Find roots by quadratic formulas 3x2 + 16x + 5 = 0

Answer 1

Answer:

$3 {x}^{2} + 16x + 5 = 0$

$3 {x}^{2} + 15x + x + 5 = 0$

$3x(x + 5) + 1(x + 5) = 0$

$(x + 5)(3x + 1) = 0$

$x = 5$

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

Answer 2

Answer:

       Roots are    X= -5 or x= -1/3

Step by step explanation :  

Hope this helps you .