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Simplify the expression (2+5i)(-1+5i)
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Simplify the expression (2+5i)(-1+5i)

User Ajayian
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2 Answers

1 vote

(2+5i)(-1+5i)=\\ -2+10i-5i-25=\\ -27+5i
User Marin Leontenko
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5 votes

(2+5i)(5i-1)=(-2-25)+i(10-5)=-27+5i
User Ansel Santosa
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