Question

1) ×+3 <0
2) 4×-16 <4
3)3 (2×-1)< × - 14
VĂ ROG MULT DAU COROANA !!!!!!!!!!!!! E URGENT !!!!​

Answer 1

1. x+3<0<=>x<0-3<=>x<-3;

x apartine (-infinit;-3)

x apartine interval inchis in -infinit si -3

2. 4•-16<4<=>-64<4(A)-propozitie adevarata

3. 3(2x-1)<x-14<=>6x-3<x-14<=>

<=>6x-x<-14+3<=>5x<-11<=>

<=>x<-11/5

x apartine (-infinit;-11/5)

x apartine interval inchis in -infinit si -11/5

Answer 2

1) x + 3 < 0 / - 3

x < - 3

x € ( - ♾ ; - 2 ]

2) 4x - 16 < 4 / + 16

4x < 20 / : 4

x < 5

x € ( - ♾ ; 4]

3) 3 ( 2x - 1 ) < x - 14

6x - 3 < x - 14

6x - x < - 3 + 14

5x < 11 / : 5

x < 11 / 5

x < 2,2

x € ( - ♾ ; 2,19 ]