11.31 is the simplest form.
Factoring. A trinomial is a perfect square trinomial if it can be factored into a binomial multiplied to itself. (This is the part where you are moving the other way). In a perfect square trinomial, two of your terms will be perfect squares.
Answer:
triangle 1 AB= CB = AC
triangle 2 ZX =YX.= ZY
Step-by-step explanation:
Hope this helps :)