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Simplifying 19 * 19 + -4(-15) + 19 = 0 Multiply 19 * 19 361 + -4(-15) + 19 = 0 Multiply -4 * -15 361 + 60 + 19 = 0 Combine like terms: 361 + 60 = 421 421 + 19 = 0 Combine like terms: 421 + 19 = 440 440 = 0 Solving 440 = 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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