Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
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# Problem C. 1312. (October 2015)

C. 1312. Suppose that $\displaystyle xy+x+y=44$ and $\displaystyle x^2y+xy^2=448$. Then evaluate $\displaystyle x^2+y^2$.

M&IQ

(5 pont)

Deadline expired on November 10, 2015.

### Statistics:

 272 students sent a solution. 5 points: 179 students. 4 points: 33 students. 3 points: 20 students. 2 points: 4 students. 1 point: 17 students. 0 point: 13 students. Unfair, not evaluated: 6 solutions.

Problems in Mathematics of KöMaL, October 2015