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Mathematics 7 Online
OpenStudy (anonymous):

Which expressions are equivalent to 20 + 12i? Choose all answers that are correct. 12 – 8i + (8 + 20i) 12 + 15i + (8 – 3i) 25 + 10i – (5 – 2i) 25 – 20i – (5 – 8i)

OpenStudy (midhun.madhu1987):

Try to combine the like terms and u get it...

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