Question

14. Find the value of a if the value of 2x2 + 3x – a is
equal to 6 when x =:-2.​

Answer 1

Answer:

a= -8

Step-by-step explanation:

4+3x-a =6

4-6-a=6

-2-a=6

-8=a

Answer 2

Answer:

a= -8

Step-by-step explanation:

By putting the value of x as (-2),

We get 4+ 3(-2) -a =6

4-6-a=6

-2-a=6

-a=8

Hence, a=-8