sederhanakan lah pecahan aljabar dibawah ini

16) (3-m)/(m²-9) = (3-m)/(m-3)(m+3) = 1/(m+3)

17) (4m²-9)/(3+2m) = (2m+3)(2m-3)/(3+2m) = 2m-3

18) (m²-16n²)/(8n-2m) = (m-4n)(m+4n)/(-2)(-4n+m) = (m+4n)/(-2)

19) (m² - 3m + 2)/(2-m) = (m-2)(m-1)/(-1)(m-2) = -m+1