Question

1) x² + 3x – 6 = -8
2) x² + x – 7 = 5
calculo completo com delta

Answer 1

Resposta:

1)x1=-2; x2=-1 2)x1=-4; x2=3

Answer 2

Resposta:

1) x² + 3x – 6 = -8 = >> x = -1  E x = -2

2) x² + x – 7 = 5 = >> x = 3 E x = -4