Factor x2+x−$$20x^2+x-20 $$completely over the integers.

Least Common Denominators

8. Rational Expressions and Functions / Least Common Denominators / Problem 4

Problem 4

Factor $x^{2} + x - 20$ completely over the integers.

$(x - 5) (x + 4)$

$(x + 5) (x - 4)$

$(x + 2) (x - 10)$

$(x - 2) (x + 10)$