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Benson
Mathematics
10 May, 04:12
1. Solve x2-4x+18=0.
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Bucko
10 May, 04:19
0
X²-4x+18=0
x = 4 ± √ (16-4*1*18) / 2
x=4±√ (16-72) / 2
x = 4 ± √-56 / 2
x = 4±2i√14 / 2
x = 2±√14 * i
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