1
x² + x - 2 = 0
x'= 4
x"= -2
x'= 2
x"= -1
x'= 3
x"= 1
x'= -2
x"= 1
2
x² -7x +12= 0
a=1
b= -7
c= -12
a= -1
b= -7
c= 12
a= 1
b= -7
c= 12
a= 1
b= -7
c= 0
3
2x² + 30x - 60= 0
a= -2
b= 30
c= -60
a= -2
b= -30
c= 60
a= 2
b= 30
c= -60
a= 2
b= 30
c= 60
4
x² - 7x + 12= 0
x'= 28
x"= -1
x'= 27
x"= -2
x'= 26
x"= -1
x'= 28
x"= -2
5
x + 8 - 25x= 0
a= 1
b= 8
c= -25
a= -1
b= 8
c= -25
a= 1
b= 8
c= 25
a= 1
b= -8
c= -25
6
x² - 5x + 8 = 0
x'= -2
x"= -4
x'= 4
x"= -2
x'= 4
x"= 2
x'= -4
x"= 2
7
3x + 2x - 1= 0
a= 3
b= 2
c= -1
a= -3
b= 2
c= 1
a= 3
b= -2
c= 1
a= 3
b= 2
c= 1
8
-x² + 6x - 5= 0
x'= 1
x''= 5
x'= 1
x''= -5
x'= -1
x''= 5
x'= -1
x''= -5
9
x² + 5x + 4= 0
x'= 1
x"= 4
x'= 1
x"= -4
x'= -1
x"= 4
x'= -1
x"= -4