Ответ:
9x^2-x^2+9=6x+11
8x^-6x-2=0
D=36+64=100
X1=6-10/16=-0,25
X2=16/16=1
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Ответ:
9x^2-x^2+9=6x+11
8x^-6x-2=0
D=36+64=100
X1=6-10/16=-0,25
X2=16/16=1