Answer:
(x-4)(x-12)
Explanation:
+
Break the expression into groups
[tex](x^2 - 4x) + (-12x+48)\\[/tex]
Factor out x from x^2 - 4x : [tex]x(x-4)\\[/tex]
Factor out -12 from -12x + 48: [tex]-12(x-4)[/tex]
= x(x-4)-12(x-4)
Factor out common term x-4
= (x-4)(x-12)
