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Cum se descompune : x³- 2x²+ x ?


Răspuns :

[tex](x \sqrt{x} )^2-2*x \sqrt{x} * \sqrt{x} +( \sqrt{x} )^2=\\(x \sqrt{x} - \sqrt{x} )^2=\\ ( \sqrt{x} ( x-1))^2[/tex]