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OpenStudy (anonymous):
simplify (-1+3i)^2
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OpenStudy (anonymous):
(-1+3i)^2 = (-1+3i)(-1+3i) Foil it. -1*-1 -1*3i +3i*-1 +3i*3i 1 -3i -3i +9i^2 1 -6i -9 -8-6i
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