Question

Integration

Answer 1

@whpalmer4

Answer 2

I think the trick here is noticing that you've got the original integral at the far right end of the last line, so you add that to both sides giving you
\[2\int _{-3}^2\text{original integral} = \text{remaining stuff}\]

Answer 3

another trick is to try to type equations while keeping the cat from eating my pizza!