Question

if the value of polynomial m3+2m+a is 12 for m=2, then find the value of a

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Answer 1

Answer:

ans. 2

Step-by-step explanation:

3m+2m+a=12

m(3+2)+a=12 (taking m common)

2(5)+a=12

10+a=12

a=12-10

a=2

Answer 2

Answer:

Step-by-step explanation:

m3+2m+a=12

m=2

[2]3+2[2]+a=12

6+4+a=12

10+a=12

a=12-10

a=2