Question

Factor completely: –abc –5ac –4ab –20a

Answer 1

Answer:

$-a(b+5)(c+4)$

Step-by-step explanation:

$-abc-5ac-4ab-20\\-a(bc+5c+4b+20)\\-a*c(b+5)+4(b+5)\\-a*(b+5)(c+4)$