Wyrażenie algebraiczna. Prosze. ;x Pilne na jutro!
( 5x-3)²+(2x+y)-(3x+2y)(3x-2y)-2xy=
Dla x=-2 i y = 3
6xy+ (3x+y)²-(x+2y)²-8xy=
Dla x=5 i y= -1
(x+4y)² +2(3x+y)(3x-y)-8xy=
Dla x= ½ y = -1
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2xkw+4ykw+2x+y-2xy-9=2*4+4*9-4+3+12-9=8+36-4+3+12-9=46
8xkw+5ykw-2xy=8*25+5+10=415
17xkw+14ykw-8xy=17*1\4+14+4=4i1\4+18=22i1\4