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Huyoukin
@Huyoukin
July 2022
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х(в 2 степени)-7Х-14=0
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magmar
X^2 -7x-14=0D(дискриминант)=7^2 +14×4=49+56=105x1=(7+корень из 105)/2=8,62x2=(7-корень из 105)/2=-1,62
1 votes
Thanks 2
Huyoukin
а почему на 4?
magmar
формула дискриминанта: b^2 - 4ac
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