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OpenStudy (anonymous):
fill in the blank x^2+13x+____ with a constant so that the resulting trinomial is a perfect square
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OpenStudy (anonymous):
(13/2)^2 rule of perfect squares
hero (hero):
Why stop there? Simplifying further
OpenStudy (anonymous):
because 169 isnt divisable by 4 into a whole number so it really doesn matter what you do with it there
OpenStudy (campbell_st):
the 3rd term is (13/2)^2 = 169/4
OpenStudy (campbell_st):
then the perfect square is (x +13/2)^2
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