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Simplifying t2 + 5t = 2t2 + 10 Reorder the terms: 5t + t2 = 2t2 + 10 Reorder the terms: 5t + t2 = 10 + 2t2 Solving 5t + t2 = 10 + 2t2 Solving for variable 't'. Reorder the terms: -10 + 5t + t2 + -2t2 = 10 + 2t2 + -10 + -2t2 Combine like terms: t2 + -2t2 = -1t2 -10 + 5t + -1t2 = 10 + 2t2 + -10 + -2t2 Reorder the terms: -10 + 5t + -1t2 = 10 + -10 + 2t2 + -2t2 Combine like terms: 10 + -10 = 0 -10 + 5t + -1t2 = 0 + 2t2 + -2t2 -10 + 5t + -1t2 = 2t2 + -2t2 Combine like terms: 2t2 + -2t2 = 0 -10 + 5t + -1t2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 10 + -5t + t2 = 0 Move the constant term to the right: Add '-10' to each side of the equation. 10 + -5t + -10 + t2 = 0 + -10 Reorder the terms: 10 + -10 + -5t + t2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -5t + t2 = 0 + -10 -5t + t2 = 0 + -10 Combine like terms: 0 + -10 = -10 -5t + t2 = -10 The t term is -5t. Take half its coefficient (-2.5). Square it (6.25) and add it to both sides. Add '6.25' to each side of the equation. -5t + 6.25 + t2 = -10 + 6.25 Reorder the terms: 6.25 + -5t + t2 = -10 + 6.25 Combine like terms: -10 + 6.25 = -3.75 6.25 + -5t + t2 = -3.75 Factor a perfect square on the left side: (t + -2.5)(t + -2.5) = -3.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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