Răspuns :
1.
x>-x-1 =>2x>-1 =>x>-1/2
2.
2x²-5x-3<(1-x)/2
4x²-10x-6<1-x
4x²-9x-7<0
Δ=81+4·4·7
Δ=81+112
Δ=193
x₁=(9-√193)/8
x₂=(9+√193)/8
x>-x-1 =>2x>-1 =>x>-1/2
2.
2x²-5x-3<(1-x)/2
4x²-10x-6<1-x
4x²-9x-7<0
Δ=81+4·4·7
Δ=81+112
Δ=193
x₁=(9-√193)/8
x₂=(9+√193)/8