Math (URGENT)
posted by John on .
Expand and simplify.
122(3y2)(3y+2)(2y+5)(2y+5)
Textbook Answer: 22y^220y5
I don't know how to get that. Can someone show me the step by step process?
thank you very much.

122(9y^24)(4y^2+20y+25)
1218y^2+84y^220y25
combine like terms
22y^220Y5