How do you combine like terms in #[( - 1+ 5i ) - ( 5- 8i ) ] + ( 7- 8i )#?
1 Answer
Jun 15, 2017
Explanation:
#"distribute the brackets as a first step"#
#=color(red)(-1)color(magenta)(+5i)color(red)(-5)color(magenta)(+8i)color(red)(+7)color(magenta)(-8i)#
#"now collect like terms"#
#=1+5i#
