#-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.