Question

Factor.
Z^2-9z+20
BOX METHOD WITH STEPS PLZ!!

Answer 1

(z−4)(z−5)

Explanation:

We need two numbers that...

Add together to get -9

Multiply together to get 20

-4 and -5 do just that!

So you fill in the blanks and get (z−4)(z−5)

Hope this helps :)