Question

сократите дробь 4x²+7x+3/x+1

Answer 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 
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( 4( x + 0,75 )( x + 1 )) / ( x + 1 ) = 4( x + 0,75 ) = 4x + 3 
ОТВЕТ ( 4х + 3 )