Trinomials

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I need help with trinomials today.
x^4 + 2x^2 - 24

and

-x^2 - 5x + 14

  • Trinomials -

    on the first, 6,4 add to 2 and multiply to 24 if the signs are right.

    On the second, do this:

    -1(x^2+5x-14) and try 7,2

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