Register
What is (i)(-7i) ? Simplify
232k views
5 votes
What is (i)(-7i) ? Simplify

User Wally Hartshorn
by
6.1k points

2 Answers

4 votes

i^(2)=-1 so 7
User Khaaliq
by
5.9k points
3 votes
If ' i ' is just any old number, then (i) x (-7i) = -7 i² .

But if ' i ' am √(-1) , then (-7) x (i²) = (-7) x (-1) and that's +7 .
User Chris SH
by
7.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.4m questions

9.9m answers

Other Questions

How do you estimate of 4 5/8 X 1/3
Write words to match the expression. 24- ( 6+3)
Please solve the following equation. x-6x=56
whats the most accurate estimation of 65+77
Find the additive inverse of 18/23
Link Copied!