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Simplifying 666 + -1t + t * t = 45 Multiply t * t 666 + -1t + t2 = 45 Solving 666 + -1t + t2 = 45 Solving for variable 't'. Reorder the terms: 666 + -45 + -1t + t2 = 45 + -45 Combine like terms: 666 + -45 = 621 621 + -1t + t2 = 45 + -45 Combine like terms: 45 + -45 = 0 621 + -1t + t2 = 0 Begin completing the square. Move the constant term to the right: Add '-621' to each side of the equation. 621 + -1t + -621 + t2 = 0 + -621 Reorder the terms: 621 + -621 + -1t + t2 = 0 + -621 Combine like terms: 621 + -621 = 0 0 + -1t + t2 = 0 + -621 -1t + t2 = 0 + -621 Combine like terms: 0 + -621 = -621 -1t + t2 = -621 The t term is -1t. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1t + 0.25 + t2 = -621 + 0.25 Reorder the terms: 0.25 + -1t + t2 = -621 + 0.25 Combine like terms: -621 + 0.25 = -620.75 0.25 + -1t + t2 = -620.75 Factor a perfect square on the left side: (t + -0.5)(t + -0.5) = -620.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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