Oblicz :
2xy-(x+2y)(x-3y)=
(x-2)(3x+1)+5x+2=
Proszę, Pomóżcie : )
2xy-x^2-3xy+2xy-6y^2=
xy-2x^2-6y^2
3x^2+x-6x-2+5x+2=
3x^2
2xy-(x+2y)(x-3)=2xy-x do kwadratu-3xy+2xy-6y do kwadratu=xy-2xdo kwadratu-6y do kwadratu(x-2)(3x+1)+5x+2=3xdo kwadratu +x-6x -2+5x+2=3xdo kwadratu
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2xy-(x+2y)(x-3y)=
2xy-x^2-3xy+2xy-6y^2=
xy-2x^2-6y^2
(x-2)(3x+1)+5x+2=
3x^2+x-6x-2+5x+2=
3x^2
2xy-(x+2y)(x-3)=2xy-x do kwadratu-3xy+2xy-6y do kwadratu=xy-2xdo kwadratu-6y do kwadratu
(x-2)(3x+1)+5x+2=3xdo kwadratu +x-6x -2+5x+2=3xdo kwadratu