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Simplifying k2 + -2k + 48 = 0 Reorder the terms: 48 + -2k + k2 = 0 Solving 48 + -2k + k2 = 0 Solving for variable 'k'. Begin completing the square. Move the constant term to the right: Add '-48' to each side of the equation. 48 + -2k + -48 + k2 = 0 + -48 Reorder the terms: 48 + -48 + -2k + k2 = 0 + -48 Combine like terms: 48 + -48 = 0 0 + -2k + k2 = 0 + -48 -2k + k2 = 0 + -48 Combine like terms: 0 + -48 = -48 -2k + k2 = -48 The k term is -2k. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2k + 1 + k2 = -48 + 1 Reorder the terms: 1 + -2k + k2 = -48 + 1 Combine like terms: -48 + 1 = -47 1 + -2k + k2 = -47 Factor a perfect square on the left side: (k + -1)(k + -1) = -47 Can't calculate square root of the right side. The solution to this equation could not be determined.
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