Question

rezolvati ecuatiile:
x2+2×+1=0, x2+5×+6=0, 7x2+×11=0 va rog​

Answer 1

Răspuns:

x2+2x+1=0

2x+2x+1=0

4x=-1

x=-1/4

x2+5x+6=0

2x+5x+6=0

7x+6=0

7x=-6

x=-6/7

Daca te ai referit la 7×2+x11=0

14+11x=0

11x=-14

x=-14/11

Dacă te ai referit la 7x2+x11=0

14x+11=0

25x=0

x=0