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Simplifying n2 + 70n + 10800 = 0 Reorder the terms: 10800 + 70n + n2 = 0 Solving 10800 + 70n + n2 = 0 Solving for variable 'n'. Begin completing the square. Move the constant term to the right: Add '-10800' to each side of the equation. 10800 + 70n + -10800 + n2 = 0 + -10800 Reorder the terms: 10800 + -10800 + 70n + n2 = 0 + -10800 Combine like terms: 10800 + -10800 = 0 0 + 70n + n2 = 0 + -10800 70n + n2 = 0 + -10800 Combine like terms: 0 + -10800 = -10800 70n + n2 = -10800 The n term is 70n. Take half its coefficient (35). Square it (1225) and add it to both sides. Add '1225' to each side of the equation. 70n + 1225 + n2 = -10800 + 1225 Reorder the terms: 1225 + 70n + n2 = -10800 + 1225 Combine like terms: -10800 + 1225 = -9575 1225 + 70n + n2 = -9575 Factor a perfect square on the left side: (n + 35)(n + 35) = -9575 Can't calculate square root of the right side. The solution to this equation could not be determined.
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