2+9=20
3+4=19
4+3=25
5+2=34
6+1=??
Solve it?	Choose one.
A) 37 B) 26 C) 43 D) 42 E) 19
x+y=x[y+(x-1)]=x^2+xy-x   2+9=2[9+(2-1)]=4+18-2= 
<gadget id="calculator">4+18-2</gadget>
<output>20</output>
20   3+4=3[4+(3-1)]=9+12-2= 
<gadget id="calculator">9+12-2</gadget>
<output>19</output>
19   4+3=4[3+(4-1)]=16+12-3= 
<gadget id="calculator">16+12-3</gadget>
<output>25</output>
25   5+2=5[2+(5-1)]=25+10-4=34   6+1=6[1+(6-1)]=36+6-5= 
<gadget id="calculator">36+6-5</gadget>
<output>37</output>
37   37nswer :37
<result>A</result>
2+9=20
3+4=19
4+3=25
5+2=34
6+1=??
Solve it?