# How do you simplify #i(3+i)# and write the complex number in standard form?

##### 1 Answer

Aug 10, 2016

#### Explanation:

First step is to distribute the bracket.

#rArri(3+i)=3i+i^2#

#color(orange)"Reminder " color(red)(|bar(ul(color(white)(a/a)color(black)(i^2=(sqrt(-1))^2=-1)color(white)(a/a)|)))#

#rArri(3+i)=3i+i^2=-1+3i" in standard form"#