Помогите пожалуйста задание во вложениях!
7)
9)
7. x2-6x+24-4x+1=0
x2-10x+25=0
D=100-4*25=0
x1,2=x=10/2=5
9. x2-6x+9=0
D= 36-4*9=0
x1.2=x=6/2=3
x-3=2 1/7- 2 7/7=- 6/7
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7)
9)
7. x2-6x+24-4x+1=0
x2-10x+25=0
D=100-4*25=0
x1,2=x=10/2=5
9. x2-6x+9=0
D= 36-4*9=0
x1.2=x=6/2=3
x-3=2 1/7- 2 7/7=- 6/7