Question

PLEASE HELP!!!!!!!!!!!!!

Answer 1

Answer:

$\text{C. }\pm \frac{1}{2}$

Step-by-step explanation:

Start by moving the 2 to the right (so we can multiply both sides by the denominator):

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

Multiply both sides by $2x^2-1$:

$1=-2(2x^2-1),\\1=-4x^2+2$

Move everything to one side:

$4x^2-2+1=0,\\4x^2-1=0,\\4x^2=1,\\x^2=\frac{1}{4},\\x=\boxed{\pm\frac{1}{2}}$

Answer 2

Answer:

the answer for this is C.