Help Kill Agonizer 9000

So i am on my first play through and i cant kill the agonizer 9000, I am a level 31 zane, maybe i didnt do my talents right or something. But any help would be great. I am chapzilla on PC thank you!

Let me try )

ok =)

Corrosive, corrosive and then some corrosive.

What gun and grenade are you using and what do you have sitting in your backpack?