IDNLearn.com provides a collaborative environment for finding and sharing knowledge. Ask anything and get well-informed, reliable answers from our knowledgeable community members.

What should be done first to simplify the expression?

7 - 4 × (3 + 3)2 + 5

Add 5.
Subtract 4 from 7.
Multiply 4 and 6.
Add 3 and 3.