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Simplifying 0 = x2 + -8x2 + -9 Reorder the terms: 0 = -9 + x2 + -8x2 Combine like terms: x2 + -8x2 = -7x2 0 = -9 + -7x2 Solving 0 = -9 + -7x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7x2' to each side of the equation. 0 + 7x2 = -9 + -7x2 + 7x2 Remove the zero: 7x2 = -9 + -7x2 + 7x2 Combine like terms: -7x2 + 7x2 = 0 7x2 = -9 + 0 7x2 = -9 Divide each side by '7'. x2 = -1.285714286 Simplifying x2 = -1.285714286 Reorder the terms: 1.285714286 + x2 = -1.285714286 + 1.285714286 Combine like terms: -1.285714286 + 1.285714286 = 0.000000000 1.285714286 + x2 = 0.000000000 The solution to this equation could not be determined.
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