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Alexx2255
a fost răspuns

(2x+1)(-x+5)
(3x-1)(-2x-5)
(-6x+1)(-x+1)
(-4x+2)(-x+3)
(x-3)(-x+5)
(2x+1)(x-1)

Răspuns :

Ogaiwbroxana
1. -2x²+10x-x+5 = -2x²+9x+5
2.-6x²-15x+2x+5= -6x²-13x+5
3.6x²-6x-x+1=6x²-7x+1
4. 4x²-12x-2x+6= 4x²-14x+6
5. -x²+5x+3x-15= -x²+8x-15
6. 2x²-2x+x-1= 2x²-x-1

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