Question

p(y)=7y-11y-2/5
Find the zeroes

Answer 1

p( y)=7 y-11y-2/5

if p (y)=0

7y-11y-2/5=0

-4 y-2/5=0

-20y-2/5=0

i.e -20y -2=5

-20y=5+2

-20y =7

y =-7/20