How to find the zeroes of 4u2+8u and verify the relation between the zeroes and coefficient

How to find the zeroes of 4u2+8u and verify the relation between the z

1.	How to find the zeroes of 4u2+8u and verify the relation between the zeroes and coefficient
Answer» Take 4u common and then do it 4u(u + 2)= 0 4u= 0, u+2=0So u = 0 , -2