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Simplifying x2 + -4x + 4 = -324 Reorder the terms: 4 + -4x + x2 = -324 Solving 4 + -4x + x2 = -324 Solving for variable 'x'. Reorder the terms: 4 + 324 + -4x + x2 = -324 + 324 Combine like terms: 4 + 324 = 328 328 + -4x + x2 = -324 + 324 Combine like terms: -324 + 324 = 0 328 + -4x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-328' to each side of the equation. 328 + -4x + -328 + x2 = 0 + -328 Reorder the terms: 328 + -328 + -4x + x2 = 0 + -328 Combine like terms: 328 + -328 = 0 0 + -4x + x2 = 0 + -328 -4x + x2 = 0 + -328 Combine like terms: 0 + -328 = -328 -4x + x2 = -328 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = -328 + 4 Reorder the terms: 4 + -4x + x2 = -328 + 4 Combine like terms: -328 + 4 = -324 4 + -4x + x2 = -324 Factor a perfect square on the left side: (x + -2)(x + -2) = -324 Can't calculate square root of the right side. The solution to this equation could not be determined.
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