posted by .

Factor by introducing an appropriate substitution.

5y10 - 31y5 - 28

  • Math -

    You must have meant to type
    5y^10 - 31y^5 - 28
    then ... let y^5 = x
    5x^ - 31x - 28
    = (x-7)(5x + 4)
    = (y^5 - 7)(5y^5 + 4)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Pre-Calculus

    The treatment of a certain viral disease requires a combination dose of drugs D1 and D2. Each unit of D1 contains 1 milligram of factor X and 2 milligrams of factor Y, and each unit of D2 contains 2 milligrams of factor X and 3 milligrams …
  2. English

    Okay, heres the question: Choose one of the main characters and pretend you are introducing him/her to a friend for the first time. What are the things your friend should know about htis person?
  3. Calculus

    Obtain the MacLaurin series for 1/(2-x) by making an appropriate substitution into the MacLaurin series for 1/(1-x). ------------ The MacLaurin series for 1/(1-x) = Σ x^k I substitue (x-1) in for x, because 1/(2-x) = 1/(1-(x-1)) …
  4. ECON

    PLEASE CHECK AND CORRECT MY ANSWERS!!!! MRTS = marginal rate of technical substitution RTS = returns to scale MP = marginal product Suppose the production function is Cobb-Douglas and f(x1, x2) = [x1^(1/2)][x2^(3/2)]. (Note: x1 and …
  5. microeconomics

    How the technical rate of substitution and marginal product are related and what is their difference?
  6. algebra 1

    3) for any factorable trinomial x^2+bx+c, will the absolute value of b sometimes,always, or never be less than the absolute value of c?
  7. Algebra 1

    bobpursey, In this problem you helped me with earlier: Solve using any appropriate method. y = 2× - 5, y = ½× + 1 Substitution, substitute for y. 2×-5=½ × + 1 3/2 x=6 x=4 y= 2*4-5=3 How did you choose which method you were going …
  8. History

    8.)How did henry David Thoreau inspire later A.)By introducing civil disobedience*** B.)By introducing a new genre of writing C.)By convincing the people to believe in God D.)By introducing the benefits of solitary living A?
  9. History

    8.)How did Henry David Thoreau inspire later American reformers?
  10. History

    9.)How did Henry David Thoreau inspire later American reformers?

More Similar Questions