(x - 4) (x - 4) + 4y = x do kwadratu
2x +3y = 8
układ rownań!!!
(x-4)(x-4)+ 4y=x do kwadratu
2x+3y=8
x do kwadratu- 16+ 4y= x do kwadratu
x do kwadratu-x do kwadratu+ 4y=16
4y=16/:4
y=4
2x=8-3y
2x=8- 3*4
2x=-4/:2
x=-2
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(x-4)(x-4)+ 4y=x do kwadratu
2x+3y=8
x do kwadratu- 16+ 4y= x do kwadratu
2x+3y=8
x do kwadratu-x do kwadratu+ 4y=16
2x+3y=8
4y=16/:4
2x+3y=8
y=4
2x=8-3y
y=4
2x=8- 3*4
y=4
2x=-4/:2
y=4
x=-2