X^2-1-22x=11 x^2-22x=11+1 X^2-22x=12 X^2-22x-12=0 D= b2-4ac=484-48=436 X1= -b- корень дискриминант/2ас= 22-436/24=-414/24=-17,25 X2=-b+корень дискриминант/2ас=22+436/24=458/24=19,083
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X^2-1-22x=11 x^2-22x=11+1 X^2-22x=12 X^2-22x-12=0 D= b2-4ac=484-48=436 X1= -b- корень дискриминант/2ас= 22-436/24=-414/24=-17,25 X2=-b+корень дискриминант/2ас=22+436/24=458/24=19,083