Given that z = 6 is a root of the cubic equation z^3 − 10z^2 + 37z + p = 0, find the value of p and the other roots.

Okay, first, we will tackle this by using the information given to us (z=6) to solve for p. By substituting 6 wherever there is a z, we will end up with 216 - 360 + 222 + p = 0.Solving this through rearrangement leaves us with p = -78. Then, we can use the factor theorem. If z=6 is a root, then (z-6) is a factor, so then we can use factor division to find the other two factors, and thus, the remaining roots of the equation.

AW
Answered by Andrew W. Physics tutor

3650 Views

See similar Physics A Level tutors

Related Physics A Level answers

All answers ▸

Compare and contrast geostationary and low polar orbits.


Describe, using a diagram, the forces acting on the system of an object tethered to a string, rotating around a fixed point in free space. Will the string ever become horizontal?


What happens to the pressure inside a gas-filled ball when the temperature is increased? Explain your answer, stating the assumption made.


Explain the photo-electric effect and describe how the intensity of light effects rate of electron emission.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning