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OpenStudy (anonymous):
What is the value of n so that the expression x^2 +12x + n is a perfect square trinomial.
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OpenStudy (anonymous):
Choices are 6, 36, 72, 144
ganeshie8 (ganeshie8):
x^2 +12x + n x^2 + 2(6)x + n (x+6)^2 - 36 + n so n must be ?
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