Question

• Factorizar los siguientes ejercicios
1. x²-y²
2. a²-1
3. a²- 4
4 .9-b²
5. 1-4m²
6. 16-n²
7. a²-25
8. 1-y²
9. 4a²-9
10. 25-36x⁴
11. 1-49a²b²
12. 4x²-81y¹
13. a²b⁸-c²
14. 100-x²y⁶​

Answer 1

(X-y)(x+y)
(a-1)(a+1)
(a-2)(a+2)
(3-b)(3+b)
(1-2m)(1+2m)