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Simplifying x2 + 13x + 48 = 0 Reorder the terms: 48 + 13x + x2 = 0 Solving 48 + 13x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-48' to each side of the equation. 48 + 13x + -48 + x2 = 0 + -48 Reorder the terms: 48 + -48 + 13x + x2 = 0 + -48 Combine like terms: 48 + -48 = 0 0 + 13x + x2 = 0 + -48 13x + x2 = 0 + -48 Combine like terms: 0 + -48 = -48 13x + x2 = -48 The x term is 13x. Take half its coefficient (6.5). Square it (42.25) and add it to both sides. Add '42.25' to each side of the equation. 13x + 42.25 + x2 = -48 + 42.25 Reorder the terms: 42.25 + 13x + x2 = -48 + 42.25 Combine like terms: -48 + 42.25 = -5.75 42.25 + 13x + x2 = -5.75 Factor a perfect square on the left side: (x + 6.5)(x + 6.5) = -5.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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