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veronikanika89
@veronikanika89
August 2022
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Решите очень срочно нужно
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will17
1
x2+17x+72=0
D=289-4*72=1
x1=-17+1/2=-8
x2=-17-1/2=-9
3.3x2+9=12x-x2
3x2+x2+9=12x
4x2-12x+9
D=144-4*4*9=o
x=12+0/8=1.5
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Answers & Comments
x2+17x+72=0
D=289-4*72=1
x1=-17+1/2=-8
x2=-17-1/2=-9
3.3x2+9=12x-x2
3x2+x2+9=12x
4x2-12x+9
D=144-4*4*9=o
x=12+0/8=1.5