Search
Ask a question
0

addition and subtraction when denomiators are the same

y2       -    5y+14
 
y+2          y+2
 

1 Answer by Expert Tutors

Tutors, sign in to answer this question.
Amarjeet K. | Professional Engineer for Math and Science TuroringProfessional Engineer for Math and Scien...
4.6 4.6 (8 lesson ratings) (8)
0
Just add/subtract numerators
 
(y2 -(5y +14))/y+2 = (y2 - 5y -14)/(y+2)
 
factorize numerator
 
y2 - 7y + 2y -14 = y(y-7) + 2(y-7) = (y+2)(y-7)
 
(y+2)(y-7)/(y+2) = y-7
 
:)