Question

x^2-10x+20

Answer 1

x=5+2sqrt5or 5-2sqrt5

Answer 2

What are you supposed to do with this trinomial?

Answer 3

If it is an equation, equal to zero, the roots are 5 +-sqrt5

Answer 4

\[x ^{2}-10x + 25 -5\]
\[(x-5)^{2}=5\]
\[x-5 = \sqrt{5}\]
\[x=5\pm \sqrt{5}\]