How do you factor x^2 - 4x - 12x2−4x−12?
1 Answer
Mar 4, 2018
Explanation:
"consider the factors of - 12 which sum to - 4"consider the factors of - 12 which sum to - 4
"these are - 6 and + 2"these are - 6 and + 2
rArrx^2-4x-12=(x-6)(x+2)⇒x2−4x−12=(x−6)(x+2)