36у2 +24у+4-27=16у2- -81+20у2 -70у+8у-28
24у-23=-62у-109
86у=-86
У=-1
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36у2 +24у+4-27=16у2- -81+20у2 -70у+8у-28
24у-23=-62у-109
86у=-86
У=-1
36у2+24у+4-27=16у2+36у-36у-81+20у2+8у-70у-28
87у=-86
у=-86/87