11 + 67 = 78
SUM means plus 4+7=11
When the sum of a number plus 3 is squared, it is 11 more than the sum of the number plus 2 when squared.
-11
The sum of -5 plus 11 is 6. When a negative is added to the positive you subtract instead of add to get your answer.
-4
3 + 11 = 14
You remember that 'sum' means addition so that's b+11
60
12
11
-4
11