X sqrt 5xy^4 + sqrt 405x^3y^4-sqrt 80x^3y^4

the three terms can be combined and reduce to:

Step-by-step explanation:

Start by extracting all perfect square factors from the square root in order to simplify the terms:

First term:  

Second term:  

Third term:  

Notice that all of the terms are like terms (contain the same radical part and variable part) so they can be combined:

days of the week

step-by-step explanation:

javier earned more money then kyle, so that won't always be a constant term, but the days of the week do not change so that term is always constant.

edit: i meant

answer: (1,3) (3,-1) (5,-5) ?

step-by-step explanation: