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OpenStudy (anonymous):
-6i(-5+i) helppppp
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OpenStudy (anonymous):
-6i(-5+i) multiply them -6i to (-5+i) whenever you get i=sqrt(-1), ,i^2=sqrt(-1)xsqrt(-1)=-1, , i^3=ixi^2=i(-1)=-i, , i^4=i^2xi^2=(-1)x(-1)=1 etc
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