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Simplifying x2 = 10x + -89 Reorder the terms: x2 = -89 + 10x Solving x2 = -89 + 10x Solving for variable 'x'. Reorder the terms: 89 + -10x + x2 = -89 + 10x + 89 + -10x Reorder the terms: 89 + -10x + x2 = -89 + 89 + 10x + -10x Combine like terms: -89 + 89 = 0 89 + -10x + x2 = 0 + 10x + -10x 89 + -10x + x2 = 10x + -10x Combine like terms: 10x + -10x = 0 89 + -10x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-89' to each side of the equation. 89 + -10x + -89 + x2 = 0 + -89 Reorder the terms: 89 + -89 + -10x + x2 = 0 + -89 Combine like terms: 89 + -89 = 0 0 + -10x + x2 = 0 + -89 -10x + x2 = 0 + -89 Combine like terms: 0 + -89 = -89 -10x + x2 = -89 The x term is -10x. Take half its coefficient (-5). Square it (25) and add it to both sides. Add '25' to each side of the equation. -10x + 25 + x2 = -89 + 25 Reorder the terms: 25 + -10x + x2 = -89 + 25 Combine like terms: -89 + 25 = -64 25 + -10x + x2 = -64 Factor a perfect square on the left side: (x + -5)(x + -5) = -64 Can't calculate square root of the right side. The solution to this equation could not be determined.
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