F`(x)=1-x²=0
x=1∉[-2;0] U x=-1∈[-2;0]
f(-2)=-2-1/3*(-8)=2/3 наиб
f(-1)=-1-1/3*(-1)=-2/3 наим
f(0)=0
A.(ab-8a)-(bx-8x)=
=a(b-8)-x(b-8)=
(a-x)(b-8)
б.(ax+x)-(y+ay)=
=x(a+1)-y(a+1)=
(x-y)(a+1)
Вроде так)))))))))))))
1)8х²у+2ху²-4х²у²
2)х²+2х-3х-6=х²-х-6
3)(24х²у+18х³)/(-6х²)=-4у-3х
X^2 + 17x + 72 = (x + 9)(x + 8) = (x + 9)(x - a)
--> a = -8