\"\"\"\"

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The expression is \"\".

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\"\"                            (Substitute a = 5, b = 4, c = 3 and d = 2)

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\"\"                         (Distributive property: a(b + c) = ab + ac)

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\"\"                               (Multiply: \"\")

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\"\"                                           (Add: 5 + 12 + 9 = 26)

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\"\"                                                (Subtract: 26 - 2 = 24)

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\"\"

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The value of the expression is 24.

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