Respuesta :

klove5
1. 3(x-5)(x+5)
Factor out 3 to get 3(x^2-25)
Then factor (x^2-25)

2. 2a(2b+9)
Factor out 2 from the equation

Step-by-step explanation:

13. 3(x - 5)(x + 5)

14. 2a(2b + 9)