Polynomial Equations
Degree
Roots
Number of
Real Roots
(x - 1)(x + 2) = 0
1.
2
1, 2
2
2x(x - 3)(x + 2) = 0
2.
3
- 2, 0,3
3
3. (x + 2)(x - 2) = 0
4
-2 multiplicity 3, 2
4
5
(x - 2)(x + 2)(x - 4 = 0
4.
5. x(x - 1)(x + 2) = 0
5
(x + 4)2(x - 1)3 = 0
-
6.
(x + 5)(x + 1) = 0
7.
x²(x - 1)(x + 1) = 0
8.​