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3(√2-1) · x = 6(1-√2)

Răspuns :

3(√2-1) · x = 6(1-√2)
(3√2-3)x=6-6√2
[tex]x= \frac{6-6 \sqrt{2} }{3 \sqrt{2} -3} =\frac{2-2 \sqrt{2} }{\sqrt{2} -1}=\frac{-2(\sqrt{2}-1) }{\sqrt{2} -1}=-2[/tex]