х^2+7х-8=0
D=7^2-4*(-8)=49+32=81
√D=9
x1=(-7+9)/2=1
x2=(-7-9)/2=-8
ответ:-8;1
на фото.................
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Verified answer
х^2+7х-8=0
D=7^2-4*(-8)=49+32=81
√D=9
x1=(-7+9)/2=1
x2=(-7-9)/2=-8
ответ:-8;1
Verified answer
на фото.................