3 numbers that add up to 45 = 48
45+0
44+1
43+2
42+3
41 + 4 = 45
43 + 2 = 45
25 + 20 = 45
The answer is 48
2,3 and 40
45
-45
189
27
x2 = 45take square root of both sidesx = positive and negative square root of 45x = + and - 3√(5)Improved Answer:-9 and 36 are square numbers and they add up to 45
48
138
63
45
48
3 x 3 x 5 = 45
63