Question 1: Given a polynomial equation P(x)=0, which two expressions could be a pair of irrational roots of the equation?

Select two answers.

a. −2–√+3

b. 2–√−3

c. 2−3–√

d. 3–√−2

e. 2+3–√

Question 2: Which expression correctly shows 20x^4−25x^3+60x^2−75x factored completely over the integers?


a. (x^2+3)(4x−5)

b. 5x(x^2+3)(4x−5)

c. 5x(x^2−3)(4x+5)

d. 5x^2(x+4)(3x−5)