Oblicz-wzory skroconego mnożenia.
(5x+9)do kwadratu
(6x+1) do kwadratu
(8y+2m) do kwadratu
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(5x+9) (5x+9)= 25x²+40x+40x+81= 25x²+80x+81
(6x+1)(6x+1)=36x²+6x+6x+1=36x²+12x+1
(8y+2m)(8y+2m)=64y²+16my+16my+4m²=64y²+32my+4m²
25x do kwadratu + 45x + 81
36x do kwadratu + 6x + 1
64y do kwadratu + 16ym +2m do kwadratu