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Simplifying t2 + -8t + 18 = 0 Reorder the terms: 18 + -8t + t2 = 0 Solving 18 + -8t + t2 = 0 Solving for variable 't'. Begin completing the square. Move the constant term to the right: Add '-18' to each side of the equation. 18 + -8t + -18 + t2 = 0 + -18 Reorder the terms: 18 + -18 + -8t + t2 = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -8t + t2 = 0 + -18 -8t + t2 = 0 + -18 Combine like terms: 0 + -18 = -18 -8t + t2 = -18 The t term is -8t. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8t + 16 + t2 = -18 + 16 Reorder the terms: 16 + -8t + t2 = -18 + 16 Combine like terms: -18 + 16 = -2 16 + -8t + t2 = -2 Factor a perfect square on the left side: (t + -4)(t + -4) = -2 Can't calculate square root of the right side. The solution to this equation could not be determined.
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