Question

PLEASE HELP!!

Use the expression 9i+2(7+3i) to answer this question!
Which property or properties should you use to simplify this expression?

Apply those properties to each term

Answer 1

Please check the explanation.

Explanation:

Considering the expression

`9i+2\left(7+3i\right)`

• Applying the distributive law

`a\left(b+c\right)=ab+ac`

so the expression becomes

`=9i+2\cdot \:\:\:7+2\cdot \:\:\:3i`

Group like terms

`=9i+14+6i`

Add similar elements: 9i+6i=15i

`=15i+14`