Question

Помогите пожалуйста!

Answer 1

16x^2-1=0
16x^2=1
x^2=1/16
x=±1/4
x=1/4
x=-1/4
x1=-1/4;x2=1/4

Answer 2

$16 x^{2} -1=0$
$16 x^{2} =1$
Делим на 16
$x^{2} = \frac{1}{16}$
$x_{1.2} = +-\sqrt{ \frac{1}{16} } =+- \frac{1}{4}$
Ответ: $- \frac{1}{4}, \frac{1}{4}$