Question

Factor a2 - 24a + 144.​

Answer 1

It's C

Explanation:

(a-12)(a-12)

a(a-12)-12(a-12)

a²-12a-12a+144

a²-24a+144

Answer 2

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)