Mark (√) against the correct answer in each of the following:
Completing the square
x2 +4x+8 = x2+4x+8 (+4-4)
=x2+4x+4+4
=(x+2)2 +22
Let x+2=t
dx=dt
We know, 
put t=x+2
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
