ALGEBRA 2 (2YR) – HW#4 Name: Directions: Simplify each expression 1. Express and simplify in form: 2. Subtract from in form , and express 3. Simplify : 21 − 6 −72 4. Explain how you figure out how to simplify 21 − 6 −72 Period: _________ 5. The expression is equivalent to 6. Simplify 3𝑖 ! 7. Explain how you figure out how to simplify 3𝑖 !