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Simplifying 49x2 + 12x + 64 = 0 Reorder the terms: 64 + 12x + 49x2 = 0 Solving 64 + 12x + 49x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 49 the coefficient of the squared term: Divide each side by '49'. 1.306122449 + 0.2448979592x + x2 = 0 Move the constant term to the right: Add '-1.306122449' to each side of the equation. 1.306122449 + 0.2448979592x + -1.306122449 + x2 = 0 + -1.306122449 Reorder the terms: 1.306122449 + -1.306122449 + 0.2448979592x + x2 = 0 + -1.306122449 Combine like terms: 1.306122449 + -1.306122449 = 0.000000000 0.000000000 + 0.2448979592x + x2 = 0 + -1.306122449 0.2448979592x + x2 = 0 + -1.306122449 Combine like terms: 0 + -1.306122449 = -1.306122449 0.2448979592x + x2 = -1.306122449 The x term is 0.2448979592x. Take half its coefficient (0.1224489796). Square it (0.01499375261) and add it to both sides. Add '0.01499375261' to each side of the equation. 0.2448979592x + 0.01499375261 + x2 = -1.306122449 + 0.01499375261 Reorder the terms: 0.01499375261 + 0.2448979592x + x2 = -1.306122449 + 0.01499375261 Combine like terms: -1.306122449 + 0.01499375261 = -1.29112869639 0.01499375261 + 0.2448979592x + x2 = -1.29112869639 Factor a perfect square on the left side: (x + 0.1224489796)(x + 0.1224489796) = -1.29112869639 Can't calculate square root of the right side. The solution to this equation could not be determined.
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