Factor. 2v^2-11v-63

(2v + 7) (v - 9)

Step-by-step explanation:

Factors of 2· (-63) = - 126 that have a sum of - 11 are 7 and - 18, so we can rewrite the middle term to - 18v+7v. Then we can factor by grouping.

2v^2 - 18v + 7v - 63 = 2v (v - 9) + 7 (v - 9)

= (2v + 7) (v - 9)