How do you factor x^2-x-72? Algebra Polynomials and Factoring Factoring Completely 1 Answer Binayaka C. Mar 24, 2018 (x-9)(x+8) Explanation: x^2-x-72 = x^2-9x+8x -72 = x(x-9)+8(x -9)= (x-9)(x+8) =(x-9)(x+8) [Ans] Answer link Related questions What is Factoring Completely? How do you know when you have completely factored a polynomial? Which methods of factoring do you use to factor completely? How do you factor completely 2x^2-8? Which method do you use to factor 3x(x-1)+4(x-1) ? What are the factors of 12x^3+12x^2+3x? How do you find the two numbers by using the factoring method, if one number is seven more than... How do you factor 12c^2-75 completely? How do you factor x^6-26x^3-27? How do you factor 100x^2+180x+81? See all questions in Factoring Completely Impact of this question 9929 views around the world You can reuse this answer Creative Commons License