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24-05-2017
Mathematics

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Algebra help please? thank you SO much in advance!

Algebra help please thank you SO much in advance class=

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Аноним Аноним

24-05-2017

x(x + 3) + x(x - 3) = 2
x^2 + 3x +x^2 - 3x = 2
2x^2 = 2
x^2 = 1
x = +1 and x = -1

answer
x = +1 and x = -1

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