Ответы на вопрос:
1. m^2+4m-5 d=4^2+4*5=36 m1=(-4+6)/2= 1 m2= -5 (x-1)(x+5) m^2+7m+10 d=7^2-4*10= 9 m1= (-7-3)/2 = -5 m2= -4/2=-2 (x+2)(x+5) ((x+5)(x-1))/(x+2)(x+5)=(x-1)/(x+2) 2. 1) ( (7(m-2))/(m-2)(m^2+2m+4) ) - ( (m+2)/(m+2) ^ 2 ) = ( 7/((m+2)^2)- ( ( m+2)/(m+2)^2 ) = (7-m+2)/(m+2)^2= ( (9-m)/(m+2)^2 ) 2) ( (9+m)/(m+2)^2 * ( 2 ( m^2+2m+4)/(m-3) ) = (9-m)*2/(m-3) = (18-2m)/(m-3)
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