How do you simplify $( 2 + i ) + (-3 + 2i)$ ?

Mar 16, 2018

$-1+3i$

$"remove brackets and collect like terms"$

$=color(red)(2)color(blue)(+i)color(red)(-3)color(blue)(+2i)$

$=-1+3i$

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How do you simplify ( 2 + i ) + (-3 + 2i)( 2 + i ) + (-3 + 2i)?