Question

If one root of the equation ax square +7x +12
is 3, find value of a-

​

Answer 1

Answer:

-33/9

Step-by-step explanation:

since one root is 3 therefore on putting X= 3 we will get 0

a3²+7×3+12=0

9a +21+12=0

9a +33 = 0

9a = -33

a = -33/9

Answer 2

Step-by-step explanation:

7x+12=3

7x=12-3

7x=9

x=9-7

x=2