Find all the zeros of f(x) f(x) = 2x^4 - 7x^3 - 27x^2 + 63x + 81 List answers from smallest to largest.  If there is a double root, list it twice.

1 Answer | Add Yours

aruv's profile pic

aruv | High School Teacher | (Level 2) Valedictorian

Posted on

We have


Apply remainder theorem


This means (x+1) is factor of f(x).




This means  (x-3) is facor of f(x)









So zeros of f(x) are


We’ve answered 319,808 questions. We can answer yours, too.

Ask a question