Xy - x - y + 1
explanation: distribute (x-1)(y-1) —> x(y-1) - 1 (y-1) —> xy - x - 1(y-1) —> xy - x - y + 1
Answer:70
Step-by-step explanation:
10^2 =100
-2(10+15) = -2(15)=-30
100-30= 70
Answer:
I hope this helps you
Step-by-step explanation:
84-16=68
68-18=50
50-28=22
n=22
equation:84-(16+18+28)