College Algebra & Trigonometry, 2018a

136 CHAPTER 2. POLYNOMIAL AND RATIONAL FUNCTIONS
Exercises 2.8
Find all real and complex roots for the given equation. Express the given polynomial
as the product of prime factors with integer coefficients.
Set #1
1) x 4 − 3x 3 +5x 2 − x − 10 = 0
2) 3x 3 − 5x 2 +2x − 8=0
3) 2x 4 − 5x 3 + x 2 +4x − 4=0
4) x 4 + x 3 − 3x 2 − 17x − 30 = 0
5) x 4 − 9x 3 +21x 2 +21x − 130 = 0
6) x 4 − 7x 3 +14x 2 − 38x − 60 = 0
7) x 5 − 9x 4 +31x 3 − 49x 2 +36x − 10 = 0
8) x 4 +4x 3 +2x 2 +12x +45=0