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Simplifying n2 + 6n + 56 = 0 Reorder the terms: 56 + 6n + n2 = 0 Solving 56 + 6n + n2 = 0 Solving for variable 'n'. Begin completing the square. Move the constant term to the right: Add '-56' to each side of the equation. 56 + 6n + -56 + n2 = 0 + -56 Reorder the terms: 56 + -56 + 6n + n2 = 0 + -56 Combine like terms: 56 + -56 = 0 0 + 6n + n2 = 0 + -56 6n + n2 = 0 + -56 Combine like terms: 0 + -56 = -56 6n + n2 = -56 The n term is 6n. Take half its coefficient (3). Square it (9) and add it to both sides. Add '9' to each side of the equation. 6n + 9 + n2 = -56 + 9 Reorder the terms: 9 + 6n + n2 = -56 + 9 Combine like terms: -56 + 9 = -47 9 + 6n + n2 = -47 Factor a perfect square on the left side: (n + 3)(n + 3) = -47 Can't calculate square root of the right side. The solution to this equation could not be determined.
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