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Mathematics 20 Online
OpenStudy (anonymous):

Simplify: 3 ---- 4+3i I believe I have to multiply, something like- 3 4-3i ---- x ----- 4+3i 4-3i -but do I multiply across, or cross multiply...?

OpenStudy (precal):

multiply across

OpenStudy (mertsj):

Yep

OpenStudy (anonymous):

numerator * numerator, denominator * denominator

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