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sfgdhjighj
@sfgdhjighj
July 2022
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x^2-3x-4=0 Что бы был дискриминант и по формуле.
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iknowthatyoufeelbro
Verified answer
X²-3x-4=0
D=(-3)²-4*1*(-4)=9+16=25
x1,2=(-(-3)+-√25)/2=(3+-5)/2
x1=(3-5)/2=-1
x2=(3+5)/2=4
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Verified answer
X²-3x-4=0D=(-3)²-4*1*(-4)=9+16=25
x1,2=(-(-3)+-√25)/2=(3+-5)/2
x1=(3-5)/2=-1
x2=(3+5)/2=4