22*2/4-(7+3)2+3(7-2)2

Answer 1

I INTERPRETED YOUR PROBLEM 2 WAYS:
22*2/4 - (7 + 3)^2 + 3(7 - 2)^2
44/4 - 10^2 + 3*5^2 = 11 - 100 + 75 =
-14.

2nd interpretation:

22*2/4 -(7 + 3)2 + 3(t - 2)2 =
11 - 20 +30 = 21.

Answer 2

Check whether the given number is solution of the equation or inequality

22- 5c = 8; 3