0=3t^2-19t-40

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Solution for 0=3t^2-19t-40 equation:


Simplifying
0 = 3t2 + -19t + -40

Reorder the terms:
0 = -40 + -19t + 3t2

Solving
0 = -40 + -19t + 3t2

Solving for variable 't'.

Combine like terms: 0 + 40 = 40
40 + 19t + -3t2 = -40 + -19t + 3t2 + 40 + 19t + -3t2

Reorder the terms:
40 + 19t + -3t2 = -40 + 40 + -19t + 19t + 3t2 + -3t2

Combine like terms: -40 + 40 = 0
40 + 19t + -3t2 = 0 + -19t + 19t + 3t2 + -3t2
40 + 19t + -3t2 = -19t + 19t + 3t2 + -3t2

Combine like terms: -19t + 19t = 0
40 + 19t + -3t2 = 0 + 3t2 + -3t2
40 + 19t + -3t2 = 3t2 + -3t2

Combine like terms: 3t2 + -3t2 = 0
40 + 19t + -3t2 = 0

Factor a trinomial.
(8 + -1t)(5 + 3t) = 0

Subproblem 1

Set the factor '(8 + -1t)' equal to zero and attempt to solve: Simplifying 8 + -1t = 0 Solving 8 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1t = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1t = 0 + -8 -1t = 0 + -8 Combine like terms: 0 + -8 = -8 -1t = -8 Divide each side by '-1'. t = 8 Simplifying t = 8

Subproblem 2

Set the factor '(5 + 3t)' equal to zero and attempt to solve: Simplifying 5 + 3t = 0 Solving 5 + 3t = 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 + 3t = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3t = 0 + -5 3t = 0 + -5 Combine like terms: 0 + -5 = -5 3t = -5 Divide each side by '3'. t = -1.666666667 Simplifying t = -1.666666667

Solution

t = {8, -1.666666667}

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