The answer is -11
You put "-1" in place of all the "a"s and get
-(-1) - 12(-1)^2
-(-1) is just 1, and (-1)^2 is "1"
We are then left with 1-12(1) which is 1-12 which is -11
Answer:
<em>" Expected Payoff " ⇒ $ 1.56 ; Type in 1.56</em>
Step-by-step explanation:
Consider the steps below;

<em>Solution; " Expected Payoff " ⇒ $ 1.56</em>
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we need to find the unit form in 2 tens and one multiplied with 10 .' we know that
21 is the 2 tens one
if we multiplied 21 with 10 we get 210 .
which means 21 tens are there in 210.which is the unit form of 210.