Question

2x2 -3x - 4 =0<br />$2x {}^{2} - 3 \times - 4 = 0$<br />

Answer 1

2x²-3x-4 = 0

delta = 9 + 32 = 41

x = 3/4 + raiz(41)/4 ou x = x = 3/4 - raiz(41)/4