Given positive integers x and y such that 2x2y3+4y3=149+3x2, what is the value of x+y? I don't get it but I do know how to use completing the rectangle though.
Go to this link and examine the answers given:
https://www.wolframalpha.com/input/?i=2x%5E2y%5E3+%2B+4y%5E3+%3D+149+%2B+3x%5E2%2C+integer+solution