t^2-17t+81=t

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Solution for t^2-17t+81=t equation:


Simplifying
t2 + -17t + 81 = t

Reorder the terms:
81 + -17t + t2 = t

Solving
81 + -17t + t2 = t

Solving for variable 't'.

Reorder the terms:
81 + -17t + -1t + t2 = t + -1t

Combine like terms: -17t + -1t = -18t
81 + -18t + t2 = t + -1t

Combine like terms: t + -1t = 0
81 + -18t + t2 = 0

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

Subproblem 1

Set the factor '(9 + -1t)' equal to zero and attempt to solve: Simplifying 9 + -1t = 0 Solving 9 + -1t = 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 + -1t = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1t = 0 + -9 -1t = 0 + -9 Combine like terms: 0 + -9 = -9 -1t = -9 Divide each side by '-1'. t = 9 Simplifying t = 9

Subproblem 2

Set the factor '(9 + -1t)' equal to zero and attempt to solve: Simplifying 9 + -1t = 0 Solving 9 + -1t = 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 + -1t = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1t = 0 + -9 -1t = 0 + -9 Combine like terms: 0 + -9 = -9 -1t = -9 Divide each side by '-1'. t = 9 Simplifying t = 9

Solution

t = {9, 9}

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