Evalute the expression given below for ( m = - 2 ) & ( n = 6 )
3m³ + 2m²n + n³
Answers
Answered by
0
Answer:
3×-8 +2×4×6 + 216
-24 + 26 + 216
218
Answered by
4
Answer:
240
Step-by-step explanation:
Given,
m = - 2
n = 6
To find : 3m³ + 2m²n + n³ = ?
3m³
= 3 ( - 2 )³
= 3 ( - 8 )
= - 24
2m²n
= 2 ( - 2 )² ( 6 )
= 2 ( 4 ) ( 6 )
= 2 ( 24 )
= 48
n³
= 6³
= 216
Substitute the values,
3m³ + 2m²n + n³
= - 24 + 48 + 216
= 24 + 216
= 240
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