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OpenStudy (anonymous):
what quadratic equation has solution 3+i and 3-i
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OpenStudy (mertsj):
(x-(3+i)][x-(3-i)]=0
jhonyy9 (jhonyy9):
so x2 -(3-i)x-(3+i)x+(9+1)=x2 -x(3-i+3+i)+10=x2 -6x +10
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