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

Answer:

Please check the explanation.

Step-by-step 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

$=15i+14$