Question

equaçao de 2 grau completos -2x² + 16x - 24 = 0

Answer 1

$- 2 {x}^{2} + 16x - 24 = 0 \\ {16}^{2} - 4.( - 2). - 24 \\ 256 - 192 \\ 64 \\ \\ x = \frac{16 + - \sqrt{64} }{2.( - 2)} \\ \\ x1 = \frac{16 + 8} { - 4} = \frac{24}{ - 4} = - 6 \\ \\ x2 = \frac{16 - 8}{ - 4} = \frac{8}{ - 4} = - 2$