Сократите дробь 4x²+7x+3/x+1
4x² + 7x + 3 = 4( x + 0,75 )( x + 1 ) D = 49 - 48 = 1 x1 = ( - 7 + 1 ) : 8 = - 0,75 x2 = ( - 7 - 1 ) : 8 = - 1 ----------------------------------------------- ( 4( x + 0,75 )( x + 1 )) / ( x + 1 ) = 4( x + 0,75 ) = 4x + 3 ОТВЕТ ( 4х + 3 )