How do you factor the trinomial 12 y^2- 17y +5?

1 Answer
Mar 7, 2018

(12y-5)(y-1)

Explanation:

12y^2-17y+5

multiply the coeff of y^2" & the constant"

12xx5=60

find factors of 60" that add to "-17

-12,-5

start by reducing the y term with these factors then factorise by grouping.

12y^2-12y-5y+5

(12y^2-12y)-(5y-5)

12y(y-1)-5(y-1)

(12y-5)(y-1)