-2x^2 - 1 = 0

Question

what does x equal

Answer 1

To find the value of x, you need to solve the equation:

-2x^2 - 1 = 0

First, add 1 to both sides of the equation:

-2x^2 = 1

Next, divide both sides by -2 to isolate x^2:

x^2 = -1/2

Take the square root of both sides to solve for x:

x = ±√(-1/2)

This simplifies to:

x = ±i/√2

So x could equal either i/√2 or -i/√2.