Question

Determine as raízes reais das equações incompletas:

a) x

2 − 5x + 6 = 0

b) −x

2 + 2x = 0

c) 5x

2 + 25x = 0

d) −3x

2 − 9x = 0

e) x

2 + 18 = 0

f) 2x

2 − 1x = 0

g) x

2 − 4x − 5 = 0

h) 4x

2 + 16x = 0

i) 7x2 − 28 = 0

j) (x − 2)(x + 5) + 10x = 30

k) 2x(x + 2) = x(x + 3) + 3(2 − x)

Answer 1

Resposta:

919364 Yos Aling

Explicação passo-a-passo:

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