L O.

asked • 04/18/14

helping solving sum and product of roots

1.what is the sum of the roots of the equation ax^2 + bx + c = 0
  what is the product of its roots
2.  solve the equation x^3 + 2x^2 + x + 2= 0, if -2 is a root
3.  given the equation x^3 - 2x^2 + x - 3 + 0, what are the possible rational roots.  Please  help solve.
A big thanks

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