What are the roots of 12x = 9 + 5x2?

Can any one me with the answers to these questions asap?

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?

Factor this polynomial completely. x^2-8x+12