A ploynomial equation is a sum of terms. Here each term is either a constant number, or consists of the variable x raised to a certain power and multiplied by a number. These numbers are called weights. For example, in the polynomial: 2x^2+3x+4, the weights are: 2,3,4. You can present a polynomial with the list of its weights, for example, equation weights = [6, 4] represent the equation 6x + 4 and equation weights = [1, 3, 4] represent the equation 1x^2 + 3x + 4. In this task, you need to compute the result of a polynomial expression by substituing a given value of x in the given polynomial equation. Equation weights are given as a list.
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Question: x = 2, equation weights = [1, 9, 3, 8, 4]

Answer: 120


Question: x = 2, equation weights = [0, 4, 3, 5, 9]

Answer: 63


Question: x = 10, equation weights = [5, 8, 2]

Answer:
582