Seudónimo Seudónimo

17-04-2016
Mathematics

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What is the solution of x^2-4x+4=0

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Аноним Аноним

17-04-2016

The solution to this would be x = 2.
Because the factoring is (x-2)^2 = 0, which would be x = 2.

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17-04-2016

x^2 - 4x + 4 = 0

x^2 - 2x - 2x + 4 = 0

x(x - 2) -2(x - 2) = 0

(x - 2)(x - 2) = 0

x - 2 = 0
x = 2

x = 2 is the only solution to x^2 - 4x + 4 = 0.

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