Question

18 and 19 answer please

Answer 1

18) let one zero be alpha and another 1alpha = 1
Product =c/a so 6/(a^2-9)
6=a^2-9
a^2= -3
a=-√3

19)Product =c/a
-6/a=4
-6=4a
a=-6/4 That is -3/2.