Which value is needed to create a perfect square trinomial from the expression x2 + 8x + _____? Please hurry

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asked Feb 11, 2018 190k views

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Dagan · Answer 1 · 2018-02-17T05:38:33+0000

I believe it's +16, if you complete the square you'd have (x+4)^2 - 16 + a = 0 where a is the value you're looking for, so to make this correct you need a = 16

Which value is needed to create a perfect square trinomial from the expression x2 + 8x + _____? Please hurry

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