Question

if one root 2x^2-3x-9=0 is 3 then find other root​

Answer 1

Answer:

-3/2

Step-by-step explanation:

2x^2-3x-9=0

2x^2-6x+3x-9=0

2x(x-3)+3(x-3)

x-3=0 and 2x+3=0

hence the roots are 3 and -3/2

hope this will help you.