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Simplifying 8t2 + -21t + 14 = 0 Reorder the terms: 14 + -21t + 8t2 = 0 Solving 14 + -21t + 8t2 = 0 Solving for variable 't'. Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. 1.75 + -2.625t + t2 = 0 Move the constant term to the right: Add '-1.75' to each side of the equation. 1.75 + -2.625t + -1.75 + t2 = 0 + -1.75 Reorder the terms: 1.75 + -1.75 + -2.625t + t2 = 0 + -1.75 Combine like terms: 1.75 + -1.75 = 0.00 0.00 + -2.625t + t2 = 0 + -1.75 -2.625t + t2 = 0 + -1.75 Combine like terms: 0 + -1.75 = -1.75 -2.625t + t2 = -1.75 The t term is -2.625t. Take half its coefficient (-1.3125). Square it (1.72265625) and add it to both sides. Add '1.72265625' to each side of the equation. -2.625t + 1.72265625 + t2 = -1.75 + 1.72265625 Reorder the terms: 1.72265625 + -2.625t + t2 = -1.75 + 1.72265625 Combine like terms: -1.75 + 1.72265625 = -0.02734375 1.72265625 + -2.625t + t2 = -0.02734375 Factor a perfect square on the left side: (t + -1.3125)(t + -1.3125) = -0.02734375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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