Сократить дробь : 2m^2-5m-3/2m^2-3m-2

Question

Сократить дробь :
2m^2-5m-3/2m^2-3m-2

Answer 1

2m²-5m-3=0
D=25+24=49
m1=(5-7)/4=-1/2
m2=(5+7)/4=3
2m²-3m-2=0
D=9+16=25
m3=(3-5)/4=-1/2
m4=(3+5)/4=2
(2m²-5m-3)/(2m²-3m-2)=2(m+1/2)(m-3)/2(m+1/2)(m-2)=(m-3)/(m-2)