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Simplifying t2 + -14t + 720 = 0 Reorder the terms: 720 + -14t + t2 = 0 Solving 720 + -14t + t2 = 0 Solving for variable 't'. Begin completing the square. Move the constant term to the right: Add '-720' to each side of the equation. 720 + -14t + -720 + t2 = 0 + -720 Reorder the terms: 720 + -720 + -14t + t2 = 0 + -720 Combine like terms: 720 + -720 = 0 0 + -14t + t2 = 0 + -720 -14t + t2 = 0 + -720 Combine like terms: 0 + -720 = -720 -14t + t2 = -720 The t term is -14t. Take half its coefficient (-7). Square it (49) and add it to both sides. Add '49' to each side of the equation. -14t + 49 + t2 = -720 + 49 Reorder the terms: 49 + -14t + t2 = -720 + 49 Combine like terms: -720 + 49 = -671 49 + -14t + t2 = -671 Factor a perfect square on the left side: (t + -7)(t + -7) = -671 Can't calculate square root of the right side. The solution to this equation could not be determined.
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