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OpenStudy (anonymous):

CAN SOMEONE PLEASE HELP ME?!! (1 + 2i) • (5 − 3i) How do I simplify this?

OpenStudy (anonymous):

You need to FOIL the problem. This is what you do: F- First (Multiply The First Numbers in Each Set of Parenthesis) O- Outer (Multiply The Outer Numbers in Each Set of Parenthesis) I- Inner (Multiply The Two Inner Numbers) L- Last (Multiply The Last Two Numbers in Each Parenthesis) If still cant figure it out just use mathway.com

OpenStudy (anonymous):

@SoScrubby thank you so much!

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