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Simplifying (x2) + 30x + 7000 = 0 x2 + 30x + 7000 = 0 Reorder the terms: 7000 + 30x + x2 = 0 Solving 7000 + 30x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-7000' to each side of the equation. 7000 + 30x + -7000 + x2 = 0 + -7000 Reorder the terms: 7000 + -7000 + 30x + x2 = 0 + -7000 Combine like terms: 7000 + -7000 = 0 0 + 30x + x2 = 0 + -7000 30x + x2 = 0 + -7000 Combine like terms: 0 + -7000 = -7000 30x + x2 = -7000 The x term is 30x. Take half its coefficient (15). Square it (225) and add it to both sides. Add '225' to each side of the equation. 30x + 225 + x2 = -7000 + 225 Reorder the terms: 225 + 30x + x2 = -7000 + 225 Combine like terms: -7000 + 225 = -6775 225 + 30x + x2 = -6775 Factor a perfect square on the left side: (x + 15)(x + 15) = -6775 Can't calculate square root of the right side. The solution to this equation could not be determined.
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