Question

Factor: x^2 - 144

a. (x-12)^2
b. (x+12)(x-12)
c. (x+2)(x-72)
d. (x-16)(x+9)

Answer 1

\[
a^2 - b^2= (a-b)(a+b)
\]

Answer 2

\[

x^2-144= x^2 -12^2
\]

Answer 3

\[
x^2-144= x^2 -12^2=(x-12)(x+12)

\]

Answer 4

Thank you