Question

3. Resolva as seguintes equações:
a) x² – 5x = 0
b) 9x² = -2x
c) 6x² - 24 = 0
d) x² + 12x + 36 = 0
e) 9x²- 6x + 1 = 64
f) (2x - 5).(2x + 5) = 7x - 6 (x + 3) - 4​

Answer 1

Resposta:

a)4x²,b)10x¹,c)16x²,d)21x²,e)14x²,f)56x².