Question

a) x² – 25=1
b) 4x² + 8x = 0
C) - 5x + 6 = 0
d) x² + 2x -15 = 0
e) -x2 + x + 12 = 0

Answer 1

Resposta:

a) raiz de 26

b) -2 ou 0

c) 1.2

d) 3 e -5

e) -3 e 4