Question

if x= 2/3 and x= -3 are the Roots of the equation ax^2+7x+b=O, find the values of a and b​

Answer 1

Answer:

a(4/9)+14/3+b=0 , a(9)-21+b=0

4a/9-9a+14/3+21=0

-71a/9+77/3=0

71a/9=77/3

71a=77*3

a=231/71

(231/71)(9)+b=21

b=21-2079/71

b=1491-2079/71

b=-588/71