If two zeroes of the polynomial 
are 
find other zeroes.
Given,
2+
So, 
Hence, dividing 
We get ,
= 
= 
The value of polynomial is also zero when ,
= 
= 
Hence, 7 and -5 are also zeroes of this polynomial
7
If two zeroes of the polynomial are find other zeroes.
Given,
2+
So,
Hence, dividing
We get ,
=
=
The value of polynomial is also zero when ,
=
=
Hence, 7 and -5 are also zeroes of this polynomial