Ответ:
Объяснение:
1. х^2-6х= 2
x^2-6x-2=0
D=36+8=44
VD=V44=2V11
x1=(6-2V11)/2=3-V11
x2=(6+2V11)/2=3+V11
2. x^2+16x+64=0
D=256-256=0
x1,2=-b/2a=-16/2=-8
3.
x^2-100=0
x^2=100
x=+-10
x1=10
x2=-10
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Answers & Comments
Ответ:
Объяснение:
1. х^2-6х= 2
x^2-6x-2=0
D=36+8=44
VD=V44=2V11
x1=(6-2V11)/2=3-V11
x2=(6+2V11)/2=3+V11
2. x^2+16x+64=0
D=256-256=0
x1,2=-b/2a=-16/2=-8
3.
x^2-100=0
x^2=100
x=+-10
x1=10
x2=-10