Answer:
(x-12)(x-4)
Explanation:
x^2 – 16x + 48---> your goal: a^2 - 2ab+ b^2 ,(a-b)^2
[x^2 - 2(8)x+48+16]-16
[x^2-2(8)x+64]-16
[(x-8)^2]-4^2 ---> a^2 - b^2 : (a-b)(a+b)
(x-8-4)(x-8+2)
(x-12)(x-4) ----> always check back work after have done
Check x^2-4x-12x+48
x^2-16x+48 equal the given