Factorizar o descomponer en dos factores 2 ejercicio 90

ejercicio 90:

1) a(x+1)+b(x+1)= (x+1)(a+b)
2) x(a+1)-3(a+1)= (a+1)(x-3)
3) 2(x-1)+y(x-1)= (x+1)(2+y)
4) m(a-b)+(a-b)n=(a-b)(m+n)
5) 2x(n-1)-3y(n-1)= (n-1)(2x-3y)
6) a(n+2)+n+2= (n+2)(a+1)
7) x(a+1)-a-1= (a+1)(x-1)
8) a2 +1-b(a2+1)= (a2+1)(1-b)
9) 3x(x-2)-2y(x-2)= (x-2)(3x-2y)
10) 1-x+2a(1-x)= (1-x)(1+2a)
11) 4x(m-n)+n-m= (m-n)(4x+n-m)
12) –m-n+x(m+n)= (m+n)(x)
13) a3(a-b+1)-b2(a-b+1)= (a-b+1)(a3-b2)
14) 4m(a2+x-1)+3n(x-1+a2)=(a2+x-1)(4m+3n)
15) X(2a+b+c)-2a-b-c= (2a+b+c)(x-1)
16) (x+y)(n+1)-3(n+1)=(n+1)(x+y-3)
17) (x+1)(x-2)+3y(x-2)= (x-2)(x+1+3y)
18) (a+3)(a+1)-4(a+1)= (a+1)(a+3-4)
19) (x2+2)(m-n)+2(m-n)= (m-n)(x2+2+2)
20) A(x-1)-(a+2)(x-1)= (x-1)(a-a+2)
21) 5x(a2+1)+(x+1)(a2+1)= (a2+1)(5x+x+1)
22) (a+b)(a-b)-(a-b)(a-b)= (a+b)(a-b)
23) (m+n)(a-20+(m-n)(a-2)= (a-2)(m+n+m+n)
24) (x+m)(x+1)-(x+1)(x-n)= (x+1)(x+m+x-n)
25) (x-3)(x-4)+(x-3)(x+4)= (x-3)(x-4+x+4)
26) (a+b-1)(a2-1)-a2-1= (a2-1)(a+b-2)
27) (a+b-c)(x-3)-(b-c-a)(x-3)= (x-3)(-b+c-a)
28) 3x(x-1)-2y(x-1)+z(x-1)= (x-10(3x-2y+z)
29) a(n+1)-b(n+1)-n-1= (n+1)(a-b-n-1)
30) x(a+2)-a-2+3(a+2)= (a+2)(x-a-2+3)
31) (a+3a)(x+1)-2a(x+1)+3(x+1)= (x+1)(1+3a-2a+a)
32) (3x+2)(x+y-z)-(3x+2)-(x+y-1)(3x+2)= (3x+2)(x+y-z-x+y-1)