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Simplifying -409(x2 + 2.56 + 1.6384) * 0 + -802.816 = 0 Reorder the terms: -409(2.56 + 1.6384 + x2) * 0 + -802.816 = 0 Combine like terms: 2.56 + 1.6384 = 4.1984 -409(4.1984 + x2) * 0 + -802.816 = 0 Reorder the terms for easier multiplication: -409 * 0(4.1984 + x2) + -802.816 = 0 Multiply -409 * 0 0(4.1984 + x2) + -802.816 = 0 Anything times zero is zero. 0(4.1984 + x2) + -802.816 = 0 Combine like terms: 0 + -802.816 = -802.816 -802.816 = 0 Solving -802.816 = 0 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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