# #-16x^2+8x-1=0#?

##### 2 Answers

#### Explanation:

So this is a quadratic with only 1 solution. I personally like to use the quadratic formula. Apply the following:

We dont have to re-write our numbers as they already follow the order we need them to be in.

So:

Now put these into this formula which is:

So we get:

Now we simplify to get:

Simplify further to get:

Now divide by 8 on the denominator and the numerator to get:

Which is the same thing as

Hope this helps =)

#### Explanation:

In this quadratic, the negative at the beginning is not comfortable.

Divide the whole equation by

This can factorise:

Find factors of

Both brackets will have a negative sign.