Hello there, I have getting a wrong answer. apparently I'm making a mistake somewhere in the process but I don't know what is it exactly. Can someone help me with this. I need it in steps please.

Let y = and u= 9 3 Write y as the sum of two orthogonal vectors, one in Span {u) and one orthogonal to u. y= y+ Z=Let y = and u= Write y as the sum of a vector in Span {u} and a vector orthogonal to u. A N y=y + Z=