Question

Determinati solutiile intregi ale inecuatiei: x la puterea a doua +2x - 8 <0

Answer 1

X2+2x-8<0 =>X2+2x-4x-8<0 =>X (x+2)-4(x+2)<0 =>(x+2)(x-4)<0 X+2<0 => x<-2 x-4<0 => x<4 x€(-2,4) => x= {-1,0,1,2,3}