When (2x-3)2 is written in the form ax2+bx+c, where a, b, and c are integers, a+b+c=?

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921