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OpenStudy (anonymous):
Which expressions are equivalent to 20+12i? Choose all answers that are correct. A. 12-8i+(8+20i) B. 12+15i+(8-3i) C. 25+10i-(5-2i) D. 25-20i-(5-8i)
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OpenStudy (carlyleukhardt):
C and D
OpenStudy (anonymous):
Can you please explain?
OpenStudy (anonymous):
I forget what property it is but look the properties of math up and you will find it, I forget if it's associative property
OpenStudy (anonymous):
Do onto one as you do onto another, I forget if it's even the associative property but that's the correct answer
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