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ValeBALE
a fost răspuns

Salut !:) putin ajutor : (2x-1) la patrat -4x+2 supra 4x patrat - 9 AJUTOR VRG :)

Răspuns :

Renatemambouko
[(2x-1)²-4x+2] /(4x² - 9)=
=(4x²-4x+1-4x+2) /(2x - 3)(2x+3)=
=(4x²-8x+3)/(2x - 3)(2x+3)=
=(4x²-2x-6x+3)/(2x - 3)(2x+3)=
=[2x(2x-1)-3(2x-1)/(2x - 3)(2x+3)=
=(2x-1)(2x-3)/(2x - 3)(2x+3)=
=(2x-1)/(2x+3)

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