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Simplifying x2 + 4000x + 8000000 = 0 Reorder the terms: 8000000 + 4000x + x2 = 0 Solving 8000000 + 4000x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-8000000' to each side of the equation. 8000000 + 4000x + -8000000 + x2 = 0 + -8000000 Reorder the terms: 8000000 + -8000000 + 4000x + x2 = 0 + -8000000 Combine like terms: 8000000 + -8000000 = 0 0 + 4000x + x2 = 0 + -8000000 4000x + x2 = 0 + -8000000 Combine like terms: 0 + -8000000 = -8000000 4000x + x2 = -8000000 The x term is 4000x. Take half its coefficient (2000). Square it (4000000) and add it to both sides. Add '4000000' to each side of the equation. 4000x + 4000000 + x2 = -8000000 + 4000000 Reorder the terms: 4000000 + 4000x + x2 = -8000000 + 4000000 Combine like terms: -8000000 + 4000000 = -4000000 4000000 + 4000x + x2 = -4000000 Factor a perfect square on the left side: (x + 2000)(x + 2000) = -4000000 Can't calculate square root of the right side. The solution to this equation could not be determined.
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