college algebra

posted by .

A partial solution set is given for the polynomial equation. Find the complete solution set. (Enter your answers as a comma-separated list.)
x^3 + 3x^2 − 14x − 20 = 0; {−5}

  • college algebra -

    x^3 + 3x^2 − 14x − 20 = (x+5)(x^2-2x-4)

    Now just solve the quadratic for the other two values of x.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. precal

    Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) 2 cos2 θ − cos θ − …
  2. help ?

    Let f(x) = (x − 3)^−2.Find all values of c in (1, 4) such that f(4) − f(1) = f'(c)(4 − 1).(Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)
  3. calculus

    Let f(x) = (x − 3)−2. Find all values of c in (2, 5) such that f(5) − f(2) = f'(c)(5 − 2). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) C=?
  4. biology

    Given the part of the molecule shown below, can the underlined atom participate in a hydrogen bond with an approriate bonding partner?
  5. Algebra

    Determine the value or values of d that complete the square for the expression. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) (a) x^2 + 7x + d d = b) x^2 − 18x + d d = (c) x^2 + dx …
  6. Algebra

    Use the quadratic formula to solve the equation for x in terms of y and y in terms of x. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) 2x^2 + 7xy + 1 − y^2 = 0 y in terms of x y =
  7. Precalculus

    Find all rational zeros of the polynomial. (Enter your answers as a comma-separated list.) P(x) = x3 + 6x2 − 15x − 100
  8. Trigonometry

    Solve the equation, where 0° ≤ x < 360°. Round approximate solutions to the nearest tenth of a degree. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) 3 sin x − 3 cos x = …
  9. pre calc

    Find all zeros of the polynomial. (Enter your answers as a comma-separated list.) P(x) = x3 − 11x2 + 33x − 35
  10. precalc

    Solve the equation. (Enter your answers as a comma-separated list.) 5x^2e^(−2x) − 3x^3e^(−2x) = 0

More Similar Questions