Question

Resolva as equações do 20 grau completa e incompleta .

a) x
2 – 6x – 27 = 0
d) x2 – 3x -4 = 0
g) x
2 – 8x = 0
j) x
2 – 196 = 0

b) 5x2 – 40x = 0
e) x2 + 25 = 0
h) 5x
2 – 10x= 0

c) x
2 – 9x + 14 = 0
f) x2 –2x - 8 = 0
i) x2 – 144 = 0​

Answer 1

Resposta:

b-7×8 e igual a 0 nós cálculos fornecedor