Question

Rezolvati in R inecuatile​

Answer 1

a) 2x+2 </ 3x+6-7

2x +2 </ 3x-1

2x-3x </ -1-2

-x </ -3 /*(-1)

x>/ 3

x apartine [3,+infinit)

b) x^2-2x </ 1+x^2-3x

x^2-x^2-2x+3x </ 1

x </ 1

x apartine (-infinit, 1]

c) x^2-x > x^2+2x+11

x^2-x^2-x-2x > 11

-3x > 11 /*(-1)

x < -11/3

x apartine (-infinit, -11/3)