New How To Make A Perfect Square Trinomial Background. To double check your answers, this online calculator will help you factor a polynomial expression. This is important to check this because if it is not, we cannot use the model described above.
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The product of the quadratic term 4x2 and the constant 9 is 36x2, so that made your job easy. The product of the quadratic term 4x2 and the constant 9 is 36x2, so that made your job easy. How do we know when a trinomial is a perfect square trinomial? Again, make sure you are using the original.