Question

Multiply 7i(5-9i) Please Help!

asked Sep 16, 2019 117k views

1 Answer

← Prev Question Next Question →

Related questions

asked Aug 9, 2024 42.6k views

(11+7i)+(-8-9i) what is the answer?

Amin asked Aug 9, 2024

by Amin

8.5k points

1 answer

1 vote

42.6k views

asked Sep 6, 2024 183k views

Multiply (4 – 7i)(2 + 9i).

Abhir asked Sep 6, 2024

by Abhir

7.8k points

1 answer

3 votes

183k views

asked Nov 7, 2024 176k views

Ify the expression. Write the answer in standard form. (6+7i)-(7-9i)

Ilo asked Nov 7, 2024

by Ilo

8.7k points

1 answer

5 votes

176k views

Ask a Question

Shanecp · Answer 1 · 2019-09-20T08:25:16+0000

1. Distribute

7i × 5 + 7i × -9i

2. Simplify 7i × 5 to 35i

35i + 7i × -9i

3. Simplify 7i × -9i to -63ii

35i - 63ii

4. Use the Product Rule

35i - 63i^2

5. Use the Square Rule

35i - 63 × -1

6. Simplify 63 × -1 to -63

35i - (-63)

7. Simplify brackets

35i + 63

8. Regroup terms

63 + 35i

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Related questions

Other Questions