Answer :

following PEDMAS it'd be
=0
0+(50x1)-60-(60x0)+10
0+50-60-0+10
50-60+10
-10+10=0
Hope this helps. :)

so after multiplying its 0+50-60-0+10 or 50-60+10. 50-60 is -10 plus +10 is 0

the answer is 0