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Simplifying x2 + 12x + 36 = -16 Reorder the terms: 36 + 12x + x2 = -16 Solving 36 + 12x + x2 = -16 Solving for variable 'x'. Reorder the terms: 36 + 16 + 12x + x2 = -16 + 16 Combine like terms: 36 + 16 = 52 52 + 12x + x2 = -16 + 16 Combine like terms: -16 + 16 = 0 52 + 12x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-52' to each side of the equation. 52 + 12x + -52 + x2 = 0 + -52 Reorder the terms: 52 + -52 + 12x + x2 = 0 + -52 Combine like terms: 52 + -52 = 0 0 + 12x + x2 = 0 + -52 12x + x2 = 0 + -52 Combine like terms: 0 + -52 = -52 12x + x2 = -52 The x term is 12x. Take half its coefficient (6). Square it (36) and add it to both sides. Add '36' to each side of the equation. 12x + 36 + x2 = -52 + 36 Reorder the terms: 36 + 12x + x2 = -52 + 36 Combine like terms: -52 + 36 = -16 36 + 12x + x2 = -16 Factor a perfect square on the left side: (x + 6)(x + 6) = -16 Can't calculate square root of the right side. The solution to this equation could not be determined.
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