Решите пж через дискрименант 2(n-4)^2+(n^2-3n-2n+6)=62
2*(n^2-8n+16)+n^2-5n+6=62 2n^2-16n+32+n^2-5n+6-62=0 3n^2-21n-24=0 n^2-7n-8=0 D=(-7)^2-4*1*(-8)=49+32=81 n1= n2=