(2-2у)²+2=2-2у
4-8у+4у²-2+2у=0
4у²-6у+2=0
D=-6²-4•4•2=4=2
х1=6-2/8=4/8=1/2=0,5
х2=6+2/8=1
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(2-2у)²+2=2-2у
4-8у+4у²-2+2у=0
4у²-6у+2=0
D=-6²-4•4•2=4=2
х1=6-2/8=4/8=1/2=0,5
х2=6+2/8=1