Factor completely using grouping: -18y² + 81y - 45 A) ( 18y - 9)(y + 5) B) 9(2y + 1)(y - 5) C) 9(2y - 1)(y + 5) D) prime

Question

Quizplus · Accepted Answer

The given expression can be factored by first factoring out the greatest common factor (GCF), which is 9, resulting in 9(2y^2 + 9y - 5). Then, by using the grouping method, we can factor the quadratic expression inside the parentheses to get 9(2y - 1)(y + 5).

Factor Completely Using Grouping