Răspuns :
5/x+2+9/2x+3=2
5/x+11/2x+3=3
5x+11×2x+3×1=2
5x+2x+11+3=2
7x+14=2
7x=2-14
7X=-12
Sper ca ti.am fost de folos
/- supra
5/x+11/2x+3=3
5x+11×2x+3×1=2
5x+2x+11+3=2
7x+14=2
7x=2-14
7X=-12
Sper ca ti.am fost de folos
/- supra
5/(x+2) +9/(2x+3) =2 aducem la acelasi numitor
[5(2x+3) +9(x+2)]/(2x+3)(x+2) =2
10x +15 +9x+18 =2(2x+3)(X+2)
19x +33 = 2(2x^2+4x+3x +6)
19x +33 =2(2x^2 +7x+6)
4x^2 +14x +12 -19x -33 =0
4x^2 -5x-21 =0
x1 = 3 si x2 = -7/4
[5(2x+3) +9(x+2)]/(2x+3)(x+2) =2
10x +15 +9x+18 =2(2x+3)(X+2)
19x +33 = 2(2x^2+4x+3x +6)
19x +33 =2(2x^2 +7x+6)
4x^2 +14x +12 -19x -33 =0
4x^2 -5x-21 =0
x1 = 3 si x2 = -7/4
