х2+5х=0
х=0
х=-5
0-у=5
-5-у=5
у=-5
у=-10
(х.у)=(0,-5)
(х,у)=(-5,-10)
143
х2+у2=26
система
х=-4+у
(-4+у)2+у2=26
у=5
у=-1
х=1
(х у)=(1,5)
(х у)=(-5 -1)
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Answers & Comments
х2+5х=0
х=0
х=-5
0-у=5
-5-у=5
у=-5
у=-10
(х.у)=(0,-5)
(х,у)=(-5,-10)
143
х2+у2=26
система
х=-4+у
(-4+у)2+у2=26
у=5
у=-1
х=1
х=-5
(х у)=(1,5)
(х у)=(-5 -1)