Question

factor común polinomio
a (x+1) +b (x+1)
2(x-1) +y (x-1)
m (a-b) +n (a-b)
2x(n-1) -3y (n-1)
a (n+2) +2(n+2)

Answer 1

$a(x+1)+b(x+1)=(x+1)(a+b)$

$2(x-1)+y(x-1)=(x-1)(2+y)$

$m(a-b)+n(a-b)=(a-b)(m+n)$

$2x(n-1)-3y(n-1)=(n-1)(2x-3y)$

$a(n+2)+2(n+2)=(n+2)(a+2)$

espero que te ayude