Simplify:
(ii) $7 n^{2} - 9 n^{2} + 3 n^{2}$

Open in App

Solution

Step: Find the value of $7 n^{2} - 9 n^{2} + 3 n^{2}$
$7 n^{2} - 9 n^{2} + 3 n^{2}$
$= (7 - 9 + 3) n^{2}$
$= (10 - 9) n^{2}$
$= n^{2}$
Hence, the answer is $n^{2} .$

Suggest Corrections

Similar questions

(4 m + 3 n)^{2} = 16 m^{2} + 9 n^{2} + 24 m n

(8 x - 6 y + 9 n^{2})

(- 3 x - 4 y - n^{2})

(9 x - 4 y + 3 n^{2})

(- x - y - n^{2})

Subtract the sum of $3 l - 4 m - 7 n^{2} a n d 2 l + 3 m - 4 n^{2} from the sum of 9 l + 2 m - 3 n^{2} a n d - 3 l + m + 4 n^{2} . . . . . . . .$

Question 6(ii)
Simplify:
(ii) $7^{2} \times 2^{2}$

Join BYJU'S Learning Program

Explore more

Join BYJU'S Learning Program