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Simplifying 4.9t2 + -15t + 30 = 0 Reorder the terms: 30 + -15t + 4.9t2 = 0 Solving 30 + -15t + 4.9t2 = 0 Solving for variable 't'. Begin completing the square. Divide all terms by 4.9 the coefficient of the squared term: Divide each side by '4.9'. 6.12244898 + -3.06122449t + t2 = 0 Move the constant term to the right: Add '-6.12244898' to each side of the equation. 6.12244898 + -3.06122449t + -6.12244898 + t2 = 0 + -6.12244898 Reorder the terms: 6.12244898 + -6.12244898 + -3.06122449t + t2 = 0 + -6.12244898 Combine like terms: 6.12244898 + -6.12244898 = 0.00000000 0.00000000 + -3.06122449t + t2 = 0 + -6.12244898 -3.06122449t + t2 = 0 + -6.12244898 Combine like terms: 0 + -6.12244898 = -6.12244898 -3.06122449t + t2 = -6.12244898 The t term is -3.06122449t. Take half its coefficient (-1.530612245). Square it (2.342773845) and add it to both sides. Add '2.342773845' to each side of the equation. -3.06122449t + 2.342773845 + t2 = -6.12244898 + 2.342773845 Reorder the terms: 2.342773845 + -3.06122449t + t2 = -6.12244898 + 2.342773845 Combine like terms: -6.12244898 + 2.342773845 = -3.779675135 2.342773845 + -3.06122449t + t2 = -3.779675135 Factor a perfect square on the left side: (t + -1.530612245)(t + -1.530612245) = -3.779675135 Can't calculate square root of the right side. The solution to this equation could not be determined.
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