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Simplifying x2 + 10x + 25 = -28 Reorder the terms: 25 + 10x + x2 = -28 Solving 25 + 10x + x2 = -28 Solving for variable 'x'. Reorder the terms: 25 + 28 + 10x + x2 = -28 + 28 Combine like terms: 25 + 28 = 53 53 + 10x + x2 = -28 + 28 Combine like terms: -28 + 28 = 0 53 + 10x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-53' to each side of the equation. 53 + 10x + -53 + x2 = 0 + -53 Reorder the terms: 53 + -53 + 10x + x2 = 0 + -53 Combine like terms: 53 + -53 = 0 0 + 10x + x2 = 0 + -53 10x + x2 = 0 + -53 Combine like terms: 0 + -53 = -53 10x + x2 = -53 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 = -53 + 25 Reorder the terms: 25 + 10x + x2 = -53 + 25 Combine like terms: -53 + 25 = -28 25 + 10x + x2 = -28 Factor a perfect square on the left side: (x + 5)(x + 5) = -28 Can't calculate square root of the right side. The solution to this equation could not be determined.
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