Question

5) log₂ (x² - 5x-4)=1​

Answer 1

Respuesta:

Log

2

(x

2

−5x−4)=1

2

1

=x

2

−5x−4

2=x

2

−5x−4

0 = x² - 5x - 4 - 2

0 = x² - 5x - 6

x - 6

x + 1

- 6x + x = - 5x

(x - 6)(x + 1) = 0

x - 6 = 0 x + 1 = 0

x = 6 x = -1