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Simplifying 64 = -3t + -5t2 Solving 64 = -3t + -5t2 Solving for variable 't'. Reorder the terms: 64 + 3t + 5t2 = -3t + 3t + -5t2 + 5t2 Combine like terms: -3t + 3t = 0 64 + 3t + 5t2 = 0 + -5t2 + 5t2 64 + 3t + 5t2 = -5t2 + 5t2 Combine like terms: -5t2 + 5t2 = 0 64 + 3t + 5t2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 12.8 + 0.6t + t2 = 0 Move the constant term to the right: Add '-12.8' to each side of the equation. 12.8 + 0.6t + -12.8 + t2 = 0 + -12.8 Reorder the terms: 12.8 + -12.8 + 0.6t + t2 = 0 + -12.8 Combine like terms: 12.8 + -12.8 = 0.0 0.0 + 0.6t + t2 = 0 + -12.8 0.6t + t2 = 0 + -12.8 Combine like terms: 0 + -12.8 = -12.8 0.6t + t2 = -12.8 The t term is 0.6t. Take half its coefficient (0.3). Square it (0.09) and add it to both sides. Add '0.09' to each side of the equation. 0.6t + 0.09 + t2 = -12.8 + 0.09 Reorder the terms: 0.09 + 0.6t + t2 = -12.8 + 0.09 Combine like terms: -12.8 + 0.09 = -12.71 0.09 + 0.6t + t2 = -12.71 Factor a perfect square on the left side: (t + 0.3)(t + 0.3) = -12.71 Can't calculate square root of the right side. The solution to this equation could not be determined.
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