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Simplifying 0 = 16t2 + -14t + 180 Reorder the terms: 0 = 180 + -14t + 16t2 Solving 0 = 180 + -14t + 16t2 Solving for variable 't'. Combine like terms: 0 + -180 = -180 -180 + 14t + -16t2 = 180 + -14t + 16t2 + -180 + 14t + -16t2 Reorder the terms: -180 + 14t + -16t2 = 180 + -180 + -14t + 14t + 16t2 + -16t2 Combine like terms: 180 + -180 = 0 -180 + 14t + -16t2 = 0 + -14t + 14t + 16t2 + -16t2 -180 + 14t + -16t2 = -14t + 14t + 16t2 + -16t2 Combine like terms: -14t + 14t = 0 -180 + 14t + -16t2 = 0 + 16t2 + -16t2 -180 + 14t + -16t2 = 16t2 + -16t2 Combine like terms: 16t2 + -16t2 = 0 -180 + 14t + -16t2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-90 + 7t + -8t2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-90 + 7t + -8t2)' equal to zero and attempt to solve: Simplifying -90 + 7t + -8t2 = 0 Solving -90 + 7t + -8t2 = 0 Begin completing the square. Divide all terms by -8 the coefficient of the squared term: Divide each side by '-8'. 11.25 + -0.875t + t2 = 0 Move the constant term to the right: Add '-11.25' to each side of the equation. 11.25 + -0.875t + -11.25 + t2 = 0 + -11.25 Reorder the terms: 11.25 + -11.25 + -0.875t + t2 = 0 + -11.25 Combine like terms: 11.25 + -11.25 = 0.00 0.00 + -0.875t + t2 = 0 + -11.25 -0.875t + t2 = 0 + -11.25 Combine like terms: 0 + -11.25 = -11.25 -0.875t + t2 = -11.25 The t term is -0.875t. Take half its coefficient (-0.4375). Square it (0.19140625) and add it to both sides. Add '0.19140625' to each side of the equation. -0.875t + 0.19140625 + t2 = -11.25 + 0.19140625 Reorder the terms: 0.19140625 + -0.875t + t2 = -11.25 + 0.19140625 Combine like terms: -11.25 + 0.19140625 = -11.05859375 0.19140625 + -0.875t + t2 = -11.05859375 Factor a perfect square on the left side: (t + -0.4375)(t + -0.4375) = -11.05859375 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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