8t^2-7t-18=0

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Solution for 8t^2-7t-18=0 equation:


Simplifying
8t2 + -7t + -18 = 0

Reorder the terms:
-18 + -7t + 8t2 = 0

Solving
-18 + -7t + 8t2 = 0

Solving for variable 't'.

Factor a trinomial.
(-9 + -8t)(2 + -1t) = 0

Subproblem 1

Set the factor '(-9 + -8t)' equal to zero and attempt to solve: Simplifying -9 + -8t = 0 Solving -9 + -8t = 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 + -8t = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -8t = 0 + 9 -8t = 0 + 9 Combine like terms: 0 + 9 = 9 -8t = 9 Divide each side by '-8'. t = -1.125 Simplifying t = -1.125

Subproblem 2

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

Solution

t = {-1.125, 2}

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