Question

Разложите на множители: 1) ac^2-ad+c^3-cd-bc^2+bd= 2) am^2+cm^2-an+an^2-cn+cn^2=

Answer 1

1. с^2 (a+c-b) - d (a+c-b)= (c^2-d)(a+c-b)

 

2. c(m^2-n+n^2)+a(m^2-n+n^2)=(c+a) (m^2-n+n^2)