15t^2-100t=170

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Solution for 15t^2-100t=170 equation:


Simplifying
15t2 + -100t = 170

Reorder the terms:
-100t + 15t2 = 170

Solving
-100t + 15t2 = 170

Solving for variable 't'.

Reorder the terms:
-170 + -100t + 15t2 = 170 + -170

Combine like terms: 170 + -170 = 0
-170 + -100t + 15t2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-34 + -20t + 3t2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-34 + -20t + 3t2)' equal to zero and attempt to solve: Simplifying -34 + -20t + 3t2 = 0 Solving -34 + -20t + 3t2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -11.33333333 + -6.666666667t + t2 = 0 Move the constant term to the right: Add '11.33333333' to each side of the equation. -11.33333333 + -6.666666667t + 11.33333333 + t2 = 0 + 11.33333333 Reorder the terms: -11.33333333 + 11.33333333 + -6.666666667t + t2 = 0 + 11.33333333 Combine like terms: -11.33333333 + 11.33333333 = 0.00000000 0.00000000 + -6.666666667t + t2 = 0 + 11.33333333 -6.666666667t + t2 = 0 + 11.33333333 Combine like terms: 0 + 11.33333333 = 11.33333333 -6.666666667t + t2 = 11.33333333 The t term is -6.666666667t. Take half its coefficient (-3.333333334). Square it (11.11111112) and add it to both sides. Add '11.11111112' to each side of the equation. -6.666666667t + 11.11111112 + t2 = 11.33333333 + 11.11111112 Reorder the terms: 11.11111112 + -6.666666667t + t2 = 11.33333333 + 11.11111112 Combine like terms: 11.33333333 + 11.11111112 = 22.44444445 11.11111112 + -6.666666667t + t2 = 22.44444445 Factor a perfect square on the left side: (t + -3.333333334)(t + -3.333333334) = 22.44444445 Calculate the square root of the right side: 4.737556802 Break this problem into two subproblems by setting (t + -3.333333334) equal to 4.737556802 and -4.737556802.

Subproblem 1

t + -3.333333334 = 4.737556802 Simplifying t + -3.333333334 = 4.737556802 Reorder the terms: -3.333333334 + t = 4.737556802 Solving -3.333333334 + t = 4.737556802 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.333333334' to each side of the equation. -3.333333334 + 3.333333334 + t = 4.737556802 + 3.333333334 Combine like terms: -3.333333334 + 3.333333334 = 0.000000000 0.000000000 + t = 4.737556802 + 3.333333334 t = 4.737556802 + 3.333333334 Combine like terms: 4.737556802 + 3.333333334 = 8.070890136 t = 8.070890136 Simplifying t = 8.070890136

Subproblem 2

t + -3.333333334 = -4.737556802 Simplifying t + -3.333333334 = -4.737556802 Reorder the terms: -3.333333334 + t = -4.737556802 Solving -3.333333334 + t = -4.737556802 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.333333334' to each side of the equation. -3.333333334 + 3.333333334 + t = -4.737556802 + 3.333333334 Combine like terms: -3.333333334 + 3.333333334 = 0.000000000 0.000000000 + t = -4.737556802 + 3.333333334 t = -4.737556802 + 3.333333334 Combine like terms: -4.737556802 + 3.333333334 = -1.404223468 t = -1.404223468 Simplifying t = -1.404223468

Solution

The solution to the problem is based on the solutions from the subproblems. t = {8.070890136, -1.404223468}

Solution

t = {8.070890136, -1.404223468}

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