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Algebra 20 Online
OpenStudy (xmoses1):

This doesn't make sense to me

OpenStudy (xmoses1):

OpenStudy (mertsj):

Multiply the numerators and multiply the denominators and then simplify.

OpenStudy (mertsj):

Do the numerators first.

OpenStudy (austinl):

You'll want to remember FOIL.

OpenStudy (isaiah.feynman):

You see the numerators have the form |dw:1393612618277:dw|

OpenStudy (mertsj):

\[(2+\sqrt{-3})(2-\sqrt{-3})\]

OpenStudy (xmoses1):

Wonderfull

OpenStudy (isaiah.feynman):

|dw:1393612642077:dw|

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