Question

How do you solve `4x^2-8x+57=0` by completing the square?

Answer 1

No real roots

Explanation:

`y = 4x^2 - 8x + 57 = 0`
`D = b^2 - 4ac = 64 - 912 = - 848`
Since D < 9, there are no real roots. There are 2 complex roots.