0=3t^2-36t+81

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Solution for 0=3t^2-36t+81 equation:


Simplifying
0 = 3t2 + -36t + 81

Reorder the terms:
0 = 81 + -36t + 3t2

Solving
0 = 81 + -36t + 3t2

Solving for variable 't'.

Combine like terms: 0 + -81 = -81
-81 + 36t + -3t2 = 81 + -36t + 3t2 + -81 + 36t + -3t2

Reorder the terms:
-81 + 36t + -3t2 = 81 + -81 + -36t + 36t + 3t2 + -3t2

Combine like terms: 81 + -81 = 0
-81 + 36t + -3t2 = 0 + -36t + 36t + 3t2 + -3t2
-81 + 36t + -3t2 = -36t + 36t + 3t2 + -3t2

Combine like terms: -36t + 36t = 0
-81 + 36t + -3t2 = 0 + 3t2 + -3t2
-81 + 36t + -3t2 = 3t2 + -3t2

Combine like terms: 3t2 + -3t2 = 0
-81 + 36t + -3t2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-27 + 12t + -1t2) = 0

Factor a trinomial.
3((-9 + t)(3 + -1t)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-9 + t)' equal to zero and attempt to solve: Simplifying -9 + t = 0 Solving -9 + t = 0 Move all terms containing t to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + t = 0 + 9 Combine like terms: -9 + 9 = 0 0 + t = 0 + 9 t = 0 + 9 Combine like terms: 0 + 9 = 9 t = 9 Simplifying t = 9

Subproblem 2

Set the factor '(3 + -1t)' equal to zero and attempt to solve: Simplifying 3 + -1t = 0 Solving 3 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1t = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1t = 0 + -3 -1t = 0 + -3 Combine like terms: 0 + -3 = -3 -1t = -3 Divide each side by '-1'. t = 3 Simplifying t = 3

Solution

t = {9, 3}

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