Use Formulate in a sentence

The scientist worked hard to formulate a new theory that explained the complex phenomenon they were studying.

Got another one?

The chef collaborated with her team to formulate a new recipe for a unique and delicious dish to add to the menu.

Can you write it like a 9th grader would?

The scientist, like, totally figured out this new theory to, like, explain this really complicated thing they were studying.

Oh my gosh do 9th graders actually talk like in their work? No offense at all I've never seen anyone write that in their work

I apologize for any confusion. Here is a revised sentence that may better reflect a conversational style typical of a ninth grader:

The scientist was able to come up with a new theory to explain the complicated stuff they were studying.

Can you rewrite the other one please, like a little better?

The chef and her team worked together to develop a new recipe for an awesome dish they wanted to add to the menu.