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Simplifying 7x2 + 9 = 0 Reorder the terms: 9 + 7x2 = 0 Solving 9 + 7x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 7x2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 7x2 = 0 + -9 7x2 = 0 + -9 Combine like terms: 0 + -9 = -9 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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