Wednesday
March 29, 2017

Post a New Question

Posted by on .

find all the zeros of the following polynomial. Write the polynomial in fraction form. Show all the work.
f(x)= x^4+3x^2-40

  • Pre-Cal. - ,

    Let x^2 = y
    y^2 +3y -40 = 0
    (y+8)(y-5) = 0
    y = -8 or 5
    x = sqrty = +/- isqrt8 or +/- sqrt5
    f(x) = (x - sqrt5)(x + sqrt5)(x^2 +8)

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question