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14-03-2017
Mathematics

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The product of a number and the number increased by 9 is 36. What is the larger of the two solutions?

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Аноним Аноним

15-03-2017

x(x + 9) = 36
x^2 + 9x - 36 = 0
(x + 12)(x - 3) = 0

larger solution = 3

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