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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...?
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OpenStudy (precal):
multiply across
OpenStudy (mertsj):
Yep
OpenStudy (anonymous):
numerator * numerator, denominator * denominator
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