Ответ:

Объяснение:

x1+x2=-b/a

x1*x2=c*a

x²-3x-4=0

x1+x2=3

x1*x2=-4

x1=-1 x2=4

x²-3x-10=0

x1+x2=3

x1*x2=-10

x1=5

x2=-2

x²-5x-14=0

x1+x2=5

x1*x2=-14

x1=7

x2=-2

x²-6x-7=0

x1+x2=6

x1*x2=-7

x1=7

x2=-1

x²-4x-5=0

x1+x2=4

x1*x2=-5

x1=5

x2=-1

x²-7x+6=0

x1+x2=7

x1*x2=6

x1=6

x2=1

x²-11x+18=0

x1+x2=11

x1*x2=18

x1=9

x2=2

x²-12x+27=0

x1+x2=12

x1*x2=27

x1=9

x2=3