Question

Va rog ajutati-ma! Am nevoie pana la ora 12:30
1: rezolvati in multimea numerelor intregi inecuatiile:
a)(x+1) la puterea a 2a b) (2x+3)la puterea a 2a > 2x(2x+5)+1
c) x(x+1)-6> sau egal ( x-2) la puterea a 2a
x(4x+5)<(2x-1) la puterea a 2a+8

2: rezolvati in Z inecuatiile:
a) 3(2x-1)-17< sau egal x-40
b) 6(x-3)+10< sau egal 2(2x+2)
c)(x-1) la puterea a doua -10 >sau egal (x+3) la puterea a 2a+14
d) (x-3) la puterea a 2a-17< sau egal (x+1) la puterea a 2a+7

3: aflati solutiile intregi ale inecuatiilor:
a) 5(3x-7)-4(2x+9) b) 6(2-3x)+11(2x+1)<3(x+9)-7

Answer 1

................................................
a)(x+1) ²  incompleta

a) 5(3x-7)-4(2x+9)  incompleta