Ответы на вопрос:
324 - ( z - 11)^2 = 324 - ( z^2 - 22z + 121 ) = 324 - z^2 + 22z - 121 = = - z^2 + 22z+ 203 = z^2 - 22z - 203 = ( z - 29)*( z + 7 ) d = 484 + 812 = 1296 ; √ d = 36 z1 = ( 22 + 36 ) : 2 = 29 z2 = ( 22 - 36 ) : 2 = - 7 ответ ( z - 29)*( z + 7 ) ================================================== 256 - ( b + 1)^2 = 256 - b^2 - 2b - 1 = - b^2 - 2b + 255 = b^2 + 2b - 255 = = ( b - 15)*( b + 17 ) d = 4 + 1020 = 1024 ; √ d = 32 b1 = ( - 2 + 32 ) : 2 = 15 b2 = ( - 2 - 32 ) : 2 = - 17 ответ ( b - 15)*( b + 17 )
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