Question

Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x?

Answer 1

It is D on ed2020

1+-
`\sqrt 19 i`

Explanation:

Answer 2

Explanation:

x^2+20=2x move 2x to the left

x^2-2x+20=0

Quadratic formula =

x=1± i√19