Question: If E(X) = 1 and Var (X) =5, find E[(2+X)^2] if E(X) = 1 and Var (X) =5, find Var(4 +3X) answer is 14, 45

If E(X) = 1 and Var (X) =5, find E[(2+X)^2]

if E(X) = 1 and Var (X) =5, find Var(4 +3X)

answer is 14, 45

please show me workings

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