Question

4. If the value of
polynomial a ³+ 2a + m
is 12 for a = 2 then find
the value of m​

Answer 1

m=0

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Answer 2

{the value of a = 2 ......given}

a ³+ 2a + m = 12

2³ +2×2+m = 12

8+4+m = 12

12+m = 12

m = 12-12

m = 0

hence the value of m = 0