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Which value is needed to create a perfect square trinomial from the expression x2 + 8x + _____? Please hurry
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Which value is needed to create a perfect square trinomial from the expression x2 + 8x + _____? Please hurry
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Feb 11, 2018
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Which value is needed to create a perfect square trinomial from the expression x2 + 8x + _____?
Please hurry
Mathematics
high-school
Riyaz Mansoor
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Riyaz Mansoor
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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
Dagan
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Feb 17, 2018
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Dagan
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