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Simplifying 325t = -15t2 + 150t + 10 Reorder the terms: 325t = 10 + 150t + -15t2 Solving 325t = 10 + 150t + -15t2 Solving for variable 't'. Reorder the terms: -10 + 325t + -150t + 15t2 = 10 + 150t + -15t2 + -10 + -150t + 15t2 Combine like terms: 325t + -150t = 175t -10 + 175t + 15t2 = 10 + 150t + -15t2 + -10 + -150t + 15t2 Reorder the terms: -10 + 175t + 15t2 = 10 + -10 + 150t + -150t + -15t2 + 15t2 Combine like terms: 10 + -10 = 0 -10 + 175t + 15t2 = 0 + 150t + -150t + -15t2 + 15t2 -10 + 175t + 15t2 = 150t + -150t + -15t2 + 15t2 Combine like terms: 150t + -150t = 0 -10 + 175t + 15t2 = 0 + -15t2 + 15t2 -10 + 175t + 15t2 = -15t2 + 15t2 Combine like terms: -15t2 + 15t2 = 0 -10 + 175t + 15t2 = 0 Factor out the Greatest Common Factor (GCF), '5'. 5(-2 + 35t + 3t2) = 0 Ignore the factor 5.Subproblem 1
Set the factor '(-2 + 35t + 3t2)' equal to zero and attempt to solve: Simplifying -2 + 35t + 3t2 = 0 Solving -2 + 35t + 3t2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -0.6666666667 + 11.66666667t + t2 = 0 Move the constant term to the right: Add '0.6666666667' to each side of the equation. -0.6666666667 + 11.66666667t + 0.6666666667 + t2 = 0 + 0.6666666667 Reorder the terms: -0.6666666667 + 0.6666666667 + 11.66666667t + t2 = 0 + 0.6666666667 Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000 0.0000000000 + 11.66666667t + t2 = 0 + 0.6666666667 11.66666667t + t2 = 0 + 0.6666666667 Combine like terms: 0 + 0.6666666667 = 0.6666666667 11.66666667t + t2 = 0.6666666667 The t term is 11.66666667t. Take half its coefficient (5.833333335). Square it (34.02777780) and add it to both sides. Add '34.02777780' to each side of the equation. 11.66666667t + 34.02777780 + t2 = 0.6666666667 + 34.02777780 Reorder the terms: 34.02777780 + 11.66666667t + t2 = 0.6666666667 + 34.02777780 Combine like terms: 0.6666666667 + 34.02777780 = 34.6944444667 34.02777780 + 11.66666667t + t2 = 34.6944444667 Factor a perfect square on the left side: (t + 5.833333335)(t + 5.833333335) = 34.6944444667 Calculate the square root of the right side: 5.890199018 Break this problem into two subproblems by setting (t + 5.833333335) equal to 5.890199018 and -5.890199018.Subproblem 1
t + 5.833333335 = 5.890199018 Simplifying t + 5.833333335 = 5.890199018 Reorder the terms: 5.833333335 + t = 5.890199018 Solving 5.833333335 + t = 5.890199018 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-5.833333335' to each side of the equation. 5.833333335 + -5.833333335 + t = 5.890199018 + -5.833333335 Combine like terms: 5.833333335 + -5.833333335 = 0.000000000 0.000000000 + t = 5.890199018 + -5.833333335 t = 5.890199018 + -5.833333335 Combine like terms: 5.890199018 + -5.833333335 = 0.056865683 t = 0.056865683 Simplifying t = 0.056865683Subproblem 2
t + 5.833333335 = -5.890199018 Simplifying t + 5.833333335 = -5.890199018 Reorder the terms: 5.833333335 + t = -5.890199018 Solving 5.833333335 + t = -5.890199018 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-5.833333335' to each side of the equation. 5.833333335 + -5.833333335 + t = -5.890199018 + -5.833333335 Combine like terms: 5.833333335 + -5.833333335 = 0.000000000 0.000000000 + t = -5.890199018 + -5.833333335 t = -5.890199018 + -5.833333335 Combine like terms: -5.890199018 + -5.833333335 = -11.723532353 t = -11.723532353 Simplifying t = -11.723532353Solution
The solution to the problem is based on the solutions from the subproblems. t = {0.056865683, -11.723532353}Solution
t = {0.056865683, -11.723532353}
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