Question

Разложить на множители:

4a(x+y)−x−y

4x(x−y)2+12(x−y)

Answer 1

4a(x+y)−x−y=4a(x+y)-(x+y)=(x+y)(4a-1)

4x(x−y)2+12(x−y)=(x-y)(4x(x-y)+10)=(x-y)(4x^2 -4xy+10)