(18t^2)-(9t)-20=0

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Solution for (18t^2)-(9t)-20=0 equation:


Simplifying
(18t2) + -1(9t) + -20 = 0

Remove parenthesis around (9t)
(18t2) + -1 * 9t + -20 = 0

Multiply -1 * 9
(18t2) + -9t + -20 = 0

Reorder the terms:
-20 + -9t + (18t2) = 0

Solving
-20 + -9t + (18t2) = 0

Solving for variable 't'.

Factor a trinomial.
(-5 + -6t)(4 + -3t) = 0

Subproblem 1

Set the factor '(-5 + -6t)' equal to zero and attempt to solve: Simplifying -5 + -6t = 0 Solving -5 + -6t = 0 Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -6t = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -6t = 0 + 5 -6t = 0 + 5 Combine like terms: 0 + 5 = 5 -6t = 5 Divide each side by '-6'. t = -0.8333333333 Simplifying t = -0.8333333333

Subproblem 2

Set the factor '(4 + -3t)' equal to zero and attempt to solve: Simplifying 4 + -3t = 0 Solving 4 + -3t = 0 Move all terms containing t to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3t = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3t = 0 + -4 -3t = 0 + -4 Combine like terms: 0 + -4 = -4 -3t = -4 Divide each side by '-3'. t = 1.333333333 Simplifying t = 1.333333333

Solution

t = {-0.8333333333, 1.333333333}

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