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04-07-2016
Mathematics

contestada

what value of c makes the polynomial below a perfect square? x2 10x c

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BrainWave BrainWave

04-07-2016

x^2 + 10x + c

Use the number in front of x, (10), to help you.

First, divide 10 by 2:
10/2 = 5

Second, square the answer, (5).
(x+5)(x+5) = 25

Answer: c=+25

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