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Simplifying 9x2 + -42 + 49 = 0 Reorder the terms: -42 + 49 + 9x2 = 0 Combine like terms: -42 + 49 = 7 7 + 9x2 = 0 Solving 7 + 9x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 9x2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 9x2 = 0 + -7 9x2 = 0 + -7 Combine like terms: 0 + -7 = -7 9x2 = -7 Divide each side by '9'. x2 = -0.7777777778 Simplifying x2 = -0.7777777778 Reorder the terms: 0.7777777778 + x2 = -0.7777777778 + 0.7777777778 Combine like terms: -0.7777777778 + 0.7777777778 = 0.0000000000 0.7777777778 + x2 = 0.0000000000 The solution to this equation could not be determined.
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