Respuesta :
Answer:
[tex]x = 1 \\ x = 3[/tex]
Step-by-step explanation:
[tex]2x {}^{2} + 4x = 3 + 3x {}^{2} \\ 3 + 3x {}^{2} - 2x {}^{2} - 4x = 0 \\ x {}^{2} - 4x + 3 = 0 \\x {}^{2} - 3x - x + 3 = 0\\ x(x - 3) - 1(x - 3) = 0 \\ x - 1 = 0 \\ x - 3 = 0 \\ x = 1 \\ x = 3 \\ [/tex]