Question

Sa se rezolve ecuatia:
5/x+2 + 9/2x+3 =2

Answer 1

5/x+2 + 9/2x+3 =2

5/x+2+9/2x+3=2 x , x ≠ 0

5/x+9/2x+3=0

10+9x²  + 6x/2x=0

10+9x²  + 6x=0

9x²+ 6x+10=0

x=-6+√6²-4x9x10/2x9

x= -6+√36-360/18

x=-6+√-324/18

In multimea numerelor reale radacina patrata a numerelor negative nu exista

x∉R