Answer:
Step-by-step explanation:
sum = -24
Product = 144
Factors = (-12) , (-12)
a² - 24a +144 = a² - 12a -12a + (-12) *(-12)
= a(a - 12) -12(a -12)
= (a -12)(a-12)
It's C
(a-12)(a-12)
a(a-12)-12(a-12)
a²-12a-12a+144
a²-24a+144
