T^2+18T+81=4

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Solution for T^2+18T+81=4 equation:


Simplifying
T2 + 18T + 81 = 4

Reorder the terms:
81 + 18T + T2 = 4

Solving
81 + 18T + T2 = 4

Solving for variable 'T'.

Reorder the terms:
81 + -4 + 18T + T2 = 4 + -4

Combine like terms: 81 + -4 = 77
77 + 18T + T2 = 4 + -4

Combine like terms: 4 + -4 = 0
77 + 18T + T2 = 0

Factor a trinomial.
(11 + T)(7 + T) = 0

Subproblem 1

Set the factor '(11 + T)' equal to zero and attempt to solve: Simplifying 11 + T = 0 Solving 11 + T = 0 Move all terms containing T to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + T = 0 + -11 Combine like terms: 11 + -11 = 0 0 + T = 0 + -11 T = 0 + -11 Combine like terms: 0 + -11 = -11 T = -11 Simplifying T = -11

Subproblem 2

Set the factor '(7 + T)' equal to zero and attempt to solve: Simplifying 7 + T = 0 Solving 7 + T = 0 Move all terms containing T to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + T = 0 + -7 Combine like terms: 7 + -7 = 0 0 + T = 0 + -7 T = 0 + -7 Combine like terms: 0 + -7 = -7 T = -7 Simplifying T = -7

Solution

T = {-11, -7}

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