Posted by **John** on Thursday, April 22, 2010 at 11:07pm.

Expand and simplify.

12-2(3y-2)(3y+2)-(2y+5)(2y+5)

Textbook Answer: -22y^2-20y-5

I don't know how to get that. Can someone show me the step by step process?

thank you very much.

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