Дискриминат p²-15p+44

Question

Дискриминат p²-15p+44

Answer 1

Решение смотрите по вложении: 

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Comments

D=b2-4ac

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D=225-176=49

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x1=15+7/2=22/2=11

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x2=15-7/2=8/2=4