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Simplifying 0 = 16t2 + 12t + 900 Reorder the terms: 0 = 900 + 12t + 16t2 Solving 0 = 900 + 12t + 16t2 Solving for variable 't'. Combine like terms: 0 + -900 = -900 -900 + -12t + -16t2 = 900 + 12t + 16t2 + -900 + -12t + -16t2 Reorder the terms: -900 + -12t + -16t2 = 900 + -900 + 12t + -12t + 16t2 + -16t2 Combine like terms: 900 + -900 = 0 -900 + -12t + -16t2 = 0 + 12t + -12t + 16t2 + -16t2 -900 + -12t + -16t2 = 12t + -12t + 16t2 + -16t2 Combine like terms: 12t + -12t = 0 -900 + -12t + -16t2 = 0 + 16t2 + -16t2 -900 + -12t + -16t2 = 16t2 + -16t2 Combine like terms: 16t2 + -16t2 = 0 -900 + -12t + -16t2 = 0 Factor out the Greatest Common Factor (GCF), '-4'. -4(225 + 3t + 4t2) = 0 Ignore the factor -4.Subproblem 1
Set the factor '(225 + 3t + 4t2)' equal to zero and attempt to solve: Simplifying 225 + 3t + 4t2 = 0 Solving 225 + 3t + 4t2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 56.25 + 0.75t + t2 = 0 Move the constant term to the right: Add '-56.25' to each side of the equation. 56.25 + 0.75t + -56.25 + t2 = 0 + -56.25 Reorder the terms: 56.25 + -56.25 + 0.75t + t2 = 0 + -56.25 Combine like terms: 56.25 + -56.25 = 0.00 0.00 + 0.75t + t2 = 0 + -56.25 0.75t + t2 = 0 + -56.25 Combine like terms: 0 + -56.25 = -56.25 0.75t + t2 = -56.25 The t term is 0.75t. Take half its coefficient (0.375). Square it (0.140625) and add it to both sides. Add '0.140625' to each side of the equation. 0.75t + 0.140625 + t2 = -56.25 + 0.140625 Reorder the terms: 0.140625 + 0.75t + t2 = -56.25 + 0.140625 Combine like terms: -56.25 + 0.140625 = -56.109375 0.140625 + 0.75t + t2 = -56.109375 Factor a perfect square on the left side: (t + 0.375)(t + 0.375) = -56.109375 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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