Simplify (12i)(5i) -17 -60 17i 60i
Added by Marshall C.
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Step 1
Remember that \( i^2 = -1 \). So, \( (12 i)(5 i) = 60 i^2 = -60 \) and \( 17 i \) \( 60 i = 1020 i^2 = -1020 \). Then, we can simplify \( -17 \) \( -60 \) which equals to 1020. Show more…
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