Question

Simplificati rapoartele:
a) $\frac{a^2+a}{4a+4} =$
b) $\frac{-3m-6}{m^2+4m+4} =$

Answer 1

a)
(a²+a)/(4a+4)=a(a+1)/4(a+1)=a/4

b)
(-3m-6)/(m²+4m+4)=-3(m+2)/(m+2)²=-3/(m+2)