Question

if x-2 is a factor of x^2+3ax-7a then a =???????​

Answer 1

x-2=0

x=2

Putting the value of x

(2)^2+3a(2)-7a

4+6a-7a=0

4-a=0

-a=-4

a=4

HOPE IT HELPS YOU

Answer 2

Answer:

Step-by-step explanation:

x=2

4+6a-7a=0

-a=-4

a=4