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For what real values of c is x^2 + 16x + c the square of a binomial? If you find more than one, then list your values separated by commas. Please give me an actual answer and not spam.

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4 votes
recall that (x+a)^2 = a^2+2ax+a^2

You have 2a = 16
User Avi Kenjale
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7 votes
C can only equal 64, hope this helps!
User Scottkosty
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