Question

Resolva as equações do 2 grau:

a) x² - 7x + 10 = 0

b) 2x² + 5x + 5 = 0

c) x² = 7x - 12

d) (2x - 3) (x - 8) = 34

e) (x + 1)² = 7 + x

Answer 1

a) S (2, 5)
b) inexistente
c) S (3, 4)
d) S (-1/10, 10)
e)S (-3, 2)