Question

Alguém sabe responder a 1 e 2 ?

Answer 1

$\large\boxed{\begin{array}{lr}\underline{ax {}^{2} + bx + c = 0 } \\ \\ 1) \: 3x {}^{2} + 8x + 3 = 0 \\ \\ \begin{cases}a = 3 \\ b = 8 \\ c = 3 \end{cases} \\ \\ 2) \: 4x {}^{2} + 2x + 5 = 0 \\ \\ \begin{cases}a = 4 \\ b = 2 \\ c = 5\end{cases}\end{array}}$