Write the equation of the polynomial given the zeros

1,532 views · Published 16 August 2013 · 6:05 · Indexed 20 September 2026

Channel: Brian McLogan · 2013 · Education

Watch on YouTube

👉 Learn how to write the equation of a polynomial when given complex zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros of a polynomial are the values of x for which the value of the polynomial is zero. Also recall that when a complex number is a zero to a polynomial, the conjugate of the complex number will also be a zero to the polynomial.

To write the equation of a polynomial, we write the given zeros in factor form and expand the product of the factors. Thus, given a, b, . . . as zeros to a polynomial, we write the equation of the polynomial by expanding the factors (x - a)(x - b) . . . = 0

👏SUBSCRIBE to my channel here:  https://www.youtube.com/user/mrbrianmclogan?sub_confirmation=1

❤️Support my channel by becoming a member: https://www.youtube.com/channel/UCQv3dpUXUWvDFQarHrS5P9A/join

🙋‍♂️Have questions? Ask here: https://forms.gle/dfR9HbCu6qpWbJdo7

🎉Follow the Community:  https://www.youtube.com/user/MrBrianMcLogan/community 

Organized Videos:
✅Write the Equation of a Polynomial Given the Zeros
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMrSRmWEXRueOLAiSKdUWWd4
✅Write the Equation of a Polynomial Given Complex Zeros
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMqLJocoy9fb3ABHDpqSk58c
✅Write the Equation of a Polynomial Given Zeros with Fractions
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMpqgD6vqk1xAkTwRsEwixDT
✅Write the Equation of a Polynomial Given Real Zeros
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMoBBfHV3DrVqw_SzLnGLwOH
✅Write the Equation of a Polynomial Given Irrational Zeros
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMreXrthKCNJsixvni63uby3
✅Write the Equation of a Polynomial Given Imaginary Zeros
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMrkm582S7KocGt2DKHGxD2q
✅Write the Equation of a Polynomial Given Zeros | Learn About
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMpbuLl5yoRKIE5bQSMshrYo


🗂️ Organized playlists by classes here: https://www.youtube.com/user/MrBrianMcLogan/playlists

🌐 My Website - http://www.freemathvideos.com

🎯Survive Math Class Checklist: Ten Steps to a Better Year: https://www.brianmclogan.com/email-capture-fdea604e-9ee8-433f-aa93-c6fefdfe4d57

Connect with me:
⚡️Facebook - https://www.facebook.com/freemathvideos
⚡️Instagram - https://www.instagram.com/brianmclogan/
⚡️Twitter - https://twitter.com/mrbrianmclogan
⚡️Linkedin - https://www.linkedin.com/in/brian-mclogan-16b43623/

👨‍🏫 Current Courses on Udemy: https://www.udemy.com/user/brianmclogan2/

👨‍👩‍👧‍👧 About Me: I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips. Find more here: https://www.freemathvideos.com/about-me/

#polynomials #brianmclogan

More from this channel