Answer :
Since 6n^2 and −5n^2 are like terms then add −5n^2 to 6n^2
to get n^2.
n^2−7n^2
Since n^2 and −7n^2 are like terms then add −7n^2 to n^2 to get −6n^2.
The answer is −6n^2
n^2−7n^2
Since n^2 and −7n^2 are like terms then add −7n^2 to n^2 to get −6n^2.
The answer is −6n^2
