[tex] \frac{x + 2}{x + 7} = \frac{3x + 6}{48} \\ 48(x + 2) = (3x + 6)(x + 7) \\ 48x + 96 = 3{x}^{2} + 27x + 42 \\ 48x + 93 - 3 {x}^{2} - 27x - 42 = 0 \\ - 3 {x}^{2} + 21 x + 51 = 0 \\ impartim \: fractia \: la \: ( - 3) \\ {x}^{2} - 7x - 17 = 0 \\ \\ de \: aici \: rezolvi \: si \: tu[/tex]
