Simplify :- (6m-n)(36m^2+6mn+n^2)-(3m+2n)^3
Answers
Answered by
8
Here's your answer
Hope it helps
Ask if you have any query
Attachments:
Answered by
35
Solution :
(6m-n)(36m²+6mn+n²)-(3m+2n)³
=(6m-n)[(6m)²+6m*n+n²]
- (3m+2n)³
= (6m)³ - n³ - ( 3m + 2n )³
= 216m³ - n³ - ( 27m³ + 54m²n
+ 36mn² + 8n³ )
= 189m³-n³ - 27m³- 54m²n
-36mn² - 8n³
= 189m³ -9n³ -54m²n - 36mn²
•••••
(6m-n)(36m²+6mn+n²)-(3m+2n)³
=(6m-n)[(6m)²+6m*n+n²]
- (3m+2n)³
= (6m)³ - n³ - ( 3m + 2n )³
= 216m³ - n³ - ( 27m³ + 54m²n
+ 36mn² + 8n³ )
= 189m³-n³ - 27m³- 54m²n
-36mn² - 8n³
= 189m³ -9n³ -54m²n - 36mn²
•••••
Similar questions