algebra 2 high school

Question

Factor each polynomial over the rational numbers.

1. a^2 -7a+10

2. 12x^2 -3y^2

Answer 1

a^2-7a+10

(a-5)(a-2)

 

12x^2-3y^2

3(4x^2-y^2)

3(2x-y)(2x+y)