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Simplifying (420 * 420) + -1(100 * 100) = 0 Multiply 420 * 420 (176400) + -1(100 * 100) = 0 176400 + -1(100 * 100) = 0 Multiply 100 * 100 176400 + -1(10000) = 0 Multiply -1 * 10000 176400 + -10000 = 0 Combine like terms: 176400 + -10000 = 166400 166400 = 0 Solving 166400 = 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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