
notice, there are three terms, therefore is a
trinomial.
the term that has the highest degree, has a degree of 3, therefore the degree of the polynomial as a whole is 3, or a
cubic degree.
so, is a
cubic trinomial.
X=-6
you could either multiply 9 on both sides or distribute the 9 and isolate the variable
You need to remember your exponent rules. I don’t know any easier way to do it. These are all the ones I can remember right now