Answer:
(x-10)^2
Step-by-step explanation:
We need to find 2 numbers that can add to -20 and multiply to 100. Using the factors of 100, I used -10 and -10. We set up the new equation like this
[tex](x - 10)(x - 10)[/tex]
which is the same as
[tex] {( x - 10)}^{2} = 0[/tex]
