2х^2+3х+х=6
2х^2+4х-6=0
D=b^2-4ac=4^2-4×2×(-6)
16+48=64
x1=-b+-корень изD=-4+8/2×2=4÷4=1
-4-8/2×2=-12÷4=-3
Ответ:1,-3
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2х^2+3х+х=6
2х^2+4х-6=0
D=b^2-4ac=4^2-4×2×(-6)
16+48=64
x1=-b+-корень изD=-4+8/2×2=4÷4=1
-4-8/2×2=-12÷4=-3
Ответ:1,-3
x2= (4-8)/(2×2)= -4÷4= -1
Ответ: -1 ; 3