Question

spilt the given term by middle splitting

Answer 1

The eq. we can also write 4u^2+8u
taking 4u common
then. 4u(u +2)=0
u=0
u = -2

Answer 2

4u2+8u=0
4u(u+2)=0
4u=0or u+2=0
u=0/4 or u=-2
u=o,-2

Hope it helps you...