Question

(a + b2 + 2ab) = 4 and value of b=2, then find a.​

Answer 1

Answer:

see in  this

Step-by-step explanation:

Answer 2

Let a =x
b=2 (given)
Putting the values in:
= (x+2*2+2*x*2)=4
= (x+4+4x)=4
=(5x+4)=4
=5x=4-4=0
=x=0/5
You can check by putting the values in a….