t^2-18t+729=0

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Solution for t^2-18t+729=0 equation:


Simplifying
t2 + -18t + 729 = 0

Reorder the terms:
729 + -18t + t2 = 0

Solving
729 + -18t + t2 = 0

Solving for variable 't'.

Begin completing the square.

Move the constant term to the right:

Add '-729' to each side of the equation.
729 + -18t + -729 + t2 = 0 + -729

Reorder the terms:
729 + -729 + -18t + t2 = 0 + -729

Combine like terms: 729 + -729 = 0
0 + -18t + t2 = 0 + -729
-18t + t2 = 0 + -729

Combine like terms: 0 + -729 = -729
-18t + t2 = -729

The t term is -18t.  Take half its coefficient (-9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
-18t + 81 + t2 = -729 + 81

Reorder the terms:
81 + -18t + t2 = -729 + 81

Combine like terms: -729 + 81 = -648
81 + -18t + t2 = -648

Factor a perfect square on the left side:
(t + -9)(t + -9) = -648

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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