Simple Cubic Equation
Pro Problems > Math > Algebra > Equations > Higher DegreeSimple Cubic Equation
The following cubic equation can be readily solved using factoring methods. Solve without using the rational root theorem.
2x3 - x2 - 18x + 9 = 0
Presentation mode
Problem by Mr. H
Solution
In order to make it feasible for teachers to use these problems in their classwork, no solutions are publicly visible, so students cannot simply look up the answers. If you would like to view the solutions to these problems, you must have a Virtual Classroom subscription.Assign this problem
Click here to assign this problem to your students.Similar Problems
Eighth Degree Equation
Find all the roots - both real and complex of the eighth degree polynomial equation below:
x8 - 3x7 +2x6 - 2x5 + 6x4 -4x3 + x2 - 3x + 2 = 0
Fourth Degree
Find, to the nearest hundredth, all four roots of the fourth degree equation below:
x4 - 5x2 - 3 = 0