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SevasMasterOC
@SevasMasterOC
July 2022
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x^2+80x-900=0
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aleksandr1799
D = 80^2+4*900 = 6400+3600 = 10000
x1 = (-80-100)/2 = -90
x2 = (-80+100)/2= 10
1 votes
Thanks 1
1234567890ЮЛЯ
D=40²-1*(-900)=1600+900=2500
х1=10
х2=-90
ОТВЕТ:-90;10
0 votes
Thanks 0
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Answers & Comments
x1 = (-80-100)/2 = -90
x2 = (-80+100)/2= 10
х1=10
х2=-90
ОТВЕТ:-90;10