Question

Factorize a2 – 16a – 80
(a-20)(a-4)
(a-20)(a+4)
(a+20)(a-4)
(a+20)(a+4)

Answer 1

a² - 20a + 4a - 80

a(a-20 ) +4 (a-20)

(a-20) (a+4)

Answer 2

Step-by-step explanation:

the answer for given question is (a+4)(a-20)