# trinomial

I need this answer. Which trinomial is a perfect square trinomial? A.)X^2-4x+10 B.)x^2+6x+9 C.)x^22x-4

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1. I need help with this answer. Hiw would i start off.Which trinomial is a perfect square trinomial? A.)X^2-4x+10 B.)x^2+6x+9 C.)x^22x-4

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2. which one equals (x+3)^2? It is a perfect square because it is the same thing twice (x+3) (x+3).

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3. oh okay thanks Jen

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