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Simplifying (x2 + 400x + 10000000) = 0 Reorder the terms: (10000000 + 400x + x2) = 0 Remove parenthesis around (10000000 + 400x + x2) 10000000 + 400x + x2 = 0 Solving 10000000 + 400x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-10000000' to each side of the equation. 10000000 + 400x + -10000000 + x2 = 0 + -10000000 Reorder the terms: 10000000 + -10000000 + 400x + x2 = 0 + -10000000 Combine like terms: 10000000 + -10000000 = 0 0 + 400x + x2 = 0 + -10000000 400x + x2 = 0 + -10000000 Combine like terms: 0 + -10000000 = -10000000 400x + x2 = -10000000 The x term is 400x. Take half its coefficient (200). Square it (40000) and add it to both sides. Add '40000' to each side of the equation. 400x + 40000 + x2 = -10000000 + 40000 Reorder the terms: 40000 + 400x + x2 = -10000000 + 40000 Combine like terms: -10000000 + 40000 = -9960000 40000 + 400x + x2 = -9960000 Factor a perfect square on the left side: (x + 200)(x + 200) = -9960000 Can't calculate square root of the right side. The solution to this equation could not be determined.
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