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Simplifying k2 + 6k + 70 = 0 Reorder the terms: 70 + 6k + k2 = 0 Solving 70 + 6k + k2 = 0 Solving for variable 'k'. Begin completing the square. Move the constant term to the right: Add '-70' to each side of the equation. 70 + 6k + -70 + k2 = 0 + -70 Reorder the terms: 70 + -70 + 6k + k2 = 0 + -70 Combine like terms: 70 + -70 = 0 0 + 6k + k2 = 0 + -70 6k + k2 = 0 + -70 Combine like terms: 0 + -70 = -70 6k + k2 = -70 The k term is 6k. Take half its coefficient (3). Square it (9) and add it to both sides. Add '9' to each side of the equation. 6k + 9 + k2 = -70 + 9 Reorder the terms: 9 + 6k + k2 = -70 + 9 Combine like terms: -70 + 9 = -61 9 + 6k + k2 = -61 Factor a perfect square on the left side: (k + 3)(k + 3) = -61 Can't calculate square root of the right side. The solution to this equation could not be determined.
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