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Simplifying X2 + 28X + 1168 = 0 Reorder the terms: 1168 + 28X + X2 = 0 Solving 1168 + 28X + X2 = 0 Solving for variable 'X'. Begin completing the square. Move the constant term to the right: Add '-1168' to each side of the equation. 1168 + 28X + -1168 + X2 = 0 + -1168 Reorder the terms: 1168 + -1168 + 28X + X2 = 0 + -1168 Combine like terms: 1168 + -1168 = 0 0 + 28X + X2 = 0 + -1168 28X + X2 = 0 + -1168 Combine like terms: 0 + -1168 = -1168 28X + X2 = -1168 The X term is 28X. Take half its coefficient (14). Square it (196) and add it to both sides. Add '196' to each side of the equation. 28X + 196 + X2 = -1168 + 196 Reorder the terms: 196 + 28X + X2 = -1168 + 196 Combine like terms: -1168 + 196 = -972 196 + 28X + X2 = -972 Factor a perfect square on the left side: (X + 14)(X + 14) = -972 Can't calculate square root of the right side. The solution to this equation could not be determined.
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