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Fill in the blank to make this a Perfect Square Trinomial. x^2 + ____ x + 9

Fill in the blank to make this a Perfect Square Trinomial. x^2 + ____ x + 9
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11 votes
Fill in the blank to make this a Perfect Square Trinomial.

x^2 + ____ x + 9

User Thomas Salandre
by
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1 Answer

12 votes
the answer is 6, x^2+6x+9. If you factor, (x+3)(x+3), multiply out, x^2+3x+3x+9=X^2+6x+9
User Synchro
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