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a fost răspuns

Descompuneti in factori
9[tex]( x-2)^{2} [/tex]-4[tex](3x-7)^{2} [/tex]

Răspuns :

Iakabcristina2
[3(x-2)-2(3x-7)][3(x-2)+2(3x-7)]=
(3x-6-6x+14)(3x-6+6x-14)=
(-3x+8)(9x-20)
Nico234679ghd
9(x-2)²-4(3x-7)²=9(x-2)-2(3x-7)) ×[3(x-2)+(3x-7)] =(3x-6-6x+14)×(3x-6+6x-14)=(-3x+8)×(9x-20)=(-3x+8)×(9x-20)

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