factorise:- y^2+1/y^2+2-5y-5/y
Answers
Answered by
0
Answer:
y^2+1/y^2+2-5y-5/y
=y^2+2.y.1/y+1/y^2-5(y+1/y)
=(y+1/y)^2-5(y+1/y)
=(y+1/y)(y+1/y-5)
Similar questions