Pls help due in 10 minutes

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Someone answer this check out the image!