Question

Please give the method of doing this sum it is very important for me to do it its very urgent
Factorise 2-y(7-5y)

Answer 1

Answer:

(5y-2)(y-1)

Step-by-step explanation:

2-y(7-5y)

=2 -7y+5y^2

=5y^2-7y+2

by mid-term splitting

=5y^2-(5+2)y+2

=5y^2-5y-2y+2

=5y(y-1)-2(y-1)

=(5y-2)(y-1)