8t^2-18t-11=0

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Solution for 8t^2-18t-11=0 equation:


Simplifying
8t2 + -18t + -11 = 0

Reorder the terms:
-11 + -18t + 8t2 = 0

Solving
-11 + -18t + 8t2 = 0

Solving for variable 't'.

Factor a trinomial.
(-1 + -2t)(11 + -4t) = 0

Subproblem 1

Set the factor '(-1 + -2t)' equal to zero and attempt to solve: Simplifying -1 + -2t = 0 Solving -1 + -2t = 0 Move all terms containing t to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -2t = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2t = 0 + 1 -2t = 0 + 1 Combine like terms: 0 + 1 = 1 -2t = 1 Divide each side by '-2'. t = -0.5 Simplifying t = -0.5

Subproblem 2

Set the factor '(11 + -4t)' equal to zero and attempt to solve: Simplifying 11 + -4t = 0 Solving 11 + -4t = 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 + -4t = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -4t = 0 + -11 -4t = 0 + -11 Combine like terms: 0 + -11 = -11 -4t = -11 Divide each side by '-4'. t = 2.75 Simplifying t = 2.75

Solution

t = {-0.5, 2.75}

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