college algebra

posted by Jo

Solve the following equation in the complex number system. Please show all of your work.
2x^5-3x^4-32x+48=0

  1. Steve

    solving quintics is hard, so look for easy roots with synthetic division

    2x^5-3x^4-32x+48
    (x+2)(x-2)(2x-3)(x^2+4)
    = (x+2)(x-2)(2x-3)(x-2i)(x+2i)

  2. fritz

    The manager of a coffee shop has one type of coffee that sells for $5 per pound and another type that sells for
    $11 per pound. The manager wishes to mix 60 pounds of the $11 coffee to get a mixture that will sell for $9 per
    pound. How many pounds of the $5 coffee should be used?

Respond to this Question

First Name

Your Answer

Similar Questions

  1. math

    can anyone help with this? suppose you bought some 32 cents stamps and some 20 cents stamps. you spent $3.92 for 16 stamps. how many of each stamp did you buy?
  2. Algebra

    Two more Algebra questions : Drawing a blank on this one, not sure where to start. Find the equation, in standard form, with all integer coefficients, of the line perpendicular to x + 3y = 12 and passing through (9, -5). I have half …
  3. Math

    Solve the following equation in the complex number system. Please show all of your work. x^4 – 13x^2 – 90 = 0
  4. Math

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 8x + 11y = -50 -32x – 44y = -200
  5. Math

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 8x + 11y = -50 -32x – 44y = -200
  6. college algebra

    Solve the following equation in the real number system. Please show all of your work. 2x^3-3x^2-14x+15=0
  7. pre calculus

    solve the following equation in the complex number system Please show all your work. 5x^5 + 32x^4 - 5x - 32 = 0
  8. College Algebra

    Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0
  9. College Algebra

    Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a quadratic …
  10. college algebra--need help please!!

    solve the equation in the real number system. 2x^4-23x^3+75x^2-88x+28=0 What are the real solutions of the equations?

More Similar Questions