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sqdancefan
A perfect square trinomial is one that can be factored to two identical factors.

For example, the trinomial
  x² + 2x + 1
can be factored to
  (x + 1)²
TheBlueFox

Any trinomial that factors as two identical binomials is called a perfect square trinomial.

-Perfect Square Trinomial-

[tex]x^{2} - 14x + 49[/tex]

[tex](x - 7) (x - 7)[/tex]

[tex](x - 7)^{2}[/tex]

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