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Marinela121
a fost răspuns

Efectuati:a.4x+5x-6x+9x=?...b.-6x³+8x³-2x³+9x³=?...c.-4y+1supra2y - 1supra4y +6y=?

Răspuns :

CarMina03
a.4x+5x-6x+9x=9x-6x+9x=3x+9x=12x
b.-6x³+8x³-2x³+9x³=2x³-2x³+9x³=9x³
c.(-4y+1/)2y - 1/4y +6y=(-8y+2-1+24y)/4y=(16y+1)/4y

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