Question

if x=2/3 and x = -3 are roots of the quadratic equations ar? + 7x + b = 0, find the value of a and b​

Answer 1

Answer:

1. 7×2/3+b=0

14/3+b=0

4.666+b=0

b=-4.666.

2. 7×-3+b=0

b=21