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Simplifying (x + 2)(x + 2) = x Reorder the terms: (2 + x)(x + 2) = x Reorder the terms: (2 + x)(2 + x) = x Multiply (2 + x) * (2 + x) (2(2 + x) + x(2 + x)) = x ((2 * 2 + x * 2) + x(2 + x)) = x ((4 + 2x) + x(2 + x)) = x (4 + 2x + (2 * x + x * x)) = x (4 + 2x + (2x + x2)) = x Combine like terms: 2x + 2x = 4x (4 + 4x + x2) = x Solving 4 + 4x + x2 = x Solving for variable 'x'. Reorder the terms: 4 + 4x + -1x + x2 = x + -1x Combine like terms: 4x + -1x = 3x 4 + 3x + x2 = x + -1x Combine like terms: x + -1x = 0 4 + 3x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-4' to each side of the equation. 4 + 3x + -4 + x2 = 0 + -4 Reorder the terms: 4 + -4 + 3x + x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3x + x2 = 0 + -4 3x + x2 = 0 + -4 Combine like terms: 0 + -4 = -4 3x + x2 = -4 The x term is 3x. Take half its coefficient (1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. 3x + 2.25 + x2 = -4 + 2.25 Reorder the terms: 2.25 + 3x + x2 = -4 + 2.25 Combine like terms: -4 + 2.25 = -1.75 2.25 + 3x + x2 = -1.75 Factor a perfect square on the left side: (x + 1.5)(x + 1.5) = -1.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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