Question

6,9 решите пожалуйста

Answer 1

1)

$x = 0.7 \\ x = - 0.7$

2)

$x = 0 \\ x = 4$

3)

$x = 0 \\ x = 0.4$

4)

$x = 2 \frac{1}{2} \\ x = - 2 \frac{1}{2}$

5)

$x = 0 \\ x = - 16$

6)

$x = 0$