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Simplifying x2 + -90x + 2250 = 0 Reorder the terms: 2250 + -90x + x2 = 0 Solving 2250 + -90x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-2250' to each side of the equation. 2250 + -90x + -2250 + x2 = 0 + -2250 Reorder the terms: 2250 + -2250 + -90x + x2 = 0 + -2250 Combine like terms: 2250 + -2250 = 0 0 + -90x + x2 = 0 + -2250 -90x + x2 = 0 + -2250 Combine like terms: 0 + -2250 = -2250 -90x + x2 = -2250 The x term is -90x. Take half its coefficient (-45). Square it (2025) and add it to both sides. Add '2025' to each side of the equation. -90x + 2025 + x2 = -2250 + 2025 Reorder the terms: 2025 + -90x + x2 = -2250 + 2025 Combine like terms: -2250 + 2025 = -225 2025 + -90x + x2 = -225 Factor a perfect square on the left side: (x + -45)(x + -45) = -225 Can't calculate square root of the right side. The solution to this equation could not be determined.
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