Arthur D. answered 09/26/17
Tutor
4.9
(306)
Forty Year Educator: Classroom, Summer School, Substitute, Tutor
3u^2-44u-15
3*15=3*3*5=(1)*(3*3*5)=1*45 and 45-1=44, the coefficient of the middle term
(3u )(u 15)
(3u+1)(u-15)