Question

25.If the value of the polynomial m³+2m +a is 12 for m=2, then find the
value of a. *​

Answer 1

Answer:

0

Step-by-step explanation:

m³+2m +a = 12    (here m = 2)

(2)^3 + (2)(2) + a = 12

8 + 4 + a = 12

12 + a = 12

a = 12 - 12

a = 0