How do you factor #x^2 - 16#?
1 Answer
Jun 8, 2018
Explanation:
#x^2-16" is a "color(blue)"difference of squares"#
#"which factors in general as"#
#•color(white)(x)a^2-b^2=(a-b)(a+b)#
#"here "a=x" and "b=4#
#x^2-16=(x-4)(x+4)#
