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Solving an equation

  1. Feb 15, 2015 #1
    1. The problem statement, all variables and given/known data
    Hello,

    This factorized function F(x,y) = (x^2+y^2)(x+y)(x-y)(x+2y)

    The question I need to answer is solve F(x,y) = 0 for y = 1

    0 = (x^2+1^2)(x+1)(x-1)(x+2(1))

    would it be this? or first I do f(x,y) = 0 then do it again with y = 1?

    2. Relevant equations
    0 = (x^2+1^2)(x+1)(x-1)(x+2(1))

    3. The attempt at a solution
     
  2. jcsd
  3. Feb 15, 2015 #2

    Dick

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    It's just fine to solve that equation with y=1. Can you solve it?
     
  4. Feb 15, 2015 #3
    This is what I go S = {-2,-1,1}

    is this correct?
     
  5. Feb 15, 2015 #4

    Dick

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    Looks fine to me.
     
  6. Feb 17, 2015 #5
    You might also have to include the imaginary answers. Depending on your class/instructor
     
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