Question

Fatore:

 

a)x²+7x=

b)y 2+3y+ay+3a=

c)x²-m²=

d)m²-2m+1=

Answer 1

  a)x²+7x=  x( x + 7)

  b)y 2+3y+ay+3a= 2 + 3y +a(y+3)

  c)x²-m²= (x+m)(x-m)

  d)m²-2m+1= (m - 1)^2