Add. (2x4+x3−4x2+3)+(4x4−2x3−x2+10x+2) express the answer in standard form. enter your answer in the box.

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points