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Simplifying 0 = -16t2 + 4t + -70 Reorder the terms: 0 = -70 + 4t + -16t2 Solving 0 = -70 + 4t + -16t2 Solving for variable 't'. Combine like terms: 0 + 70 = 70 70 + -4t + 16t2 = -70 + 4t + -16t2 + 70 + -4t + 16t2 Reorder the terms: 70 + -4t + 16t2 = -70 + 70 + 4t + -4t + -16t2 + 16t2 Combine like terms: -70 + 70 = 0 70 + -4t + 16t2 = 0 + 4t + -4t + -16t2 + 16t2 70 + -4t + 16t2 = 4t + -4t + -16t2 + 16t2 Combine like terms: 4t + -4t = 0 70 + -4t + 16t2 = 0 + -16t2 + 16t2 70 + -4t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 70 + -4t + 16t2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(35 + -2t + 8t2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(35 + -2t + 8t2)' equal to zero and attempt to solve: Simplifying 35 + -2t + 8t2 = 0 Solving 35 + -2t + 8t2 = 0 Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. 4.375 + -0.25t + t2 = 0 Move the constant term to the right: Add '-4.375' to each side of the equation. 4.375 + -0.25t + -4.375 + t2 = 0 + -4.375 Reorder the terms: 4.375 + -4.375 + -0.25t + t2 = 0 + -4.375 Combine like terms: 4.375 + -4.375 = 0.000 0.000 + -0.25t + t2 = 0 + -4.375 -0.25t + t2 = 0 + -4.375 Combine like terms: 0 + -4.375 = -4.375 -0.25t + t2 = -4.375 The t term is -0.25t. Take half its coefficient (-0.125). Square it (0.015625) and add it to both sides. Add '0.015625' to each side of the equation. -0.25t + 0.015625 + t2 = -4.375 + 0.015625 Reorder the terms: 0.015625 + -0.25t + t2 = -4.375 + 0.015625 Combine like terms: -4.375 + 0.015625 = -4.359375 0.015625 + -0.25t + t2 = -4.359375 Factor a perfect square on the left side: (t + -0.125)(t + -0.125) = -4.359375 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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