Question

3m +8 - 2m3 for m=-1

Answer 1

The answer is 11

Plug in -1 for m

3(-1)+8-2(-1)3

So 11

Answer 2

7

Explanation:

3m +8 - 2m^3

lets evaluate m= -1 in the above expression

3(-1) + 8 -2(-1)^3

we know:

+ * - = -

- * - = +

-1^3 = -1*-1*-1 = -1

we have:

-3 +8 - 2(-1)

-3 +8 +2

7