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this question does not make sense to me.

Add the proper constant to the binomial so that the resulting trinomial is a perfect square trinomial. then factor the trinomail.


What is the constant term?

What is the factored for of the trinomial?

i just cant figure the constant

  • Math -

    Take half of 21, and square it.


  • Math -

    What you end up with will be
    x^2 + 21x + 110.25 = (x + 10.5)^2

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