Although you didn't provide any answer choices:
A trinomial is an expression with exactly three terms that can't be combined an example would be this
x^2 - 3x + 1
None of those terms can be combined
x^2 + 3 - 4 has three terms but it isn't considered a trinomial because you can simplify it to x^2 - 1 which is known as a binomial because it has 2 terms in it's simplified form.
hope this helps C:
Answer: on khan academy answer: 221
Step-by-step explanation:
I'm pretty sure the answer is c
Answer:
I think it would be y=x
Step-by-step explanation:
I might be wrong
