7t^2-13t-2=0

Solution for 7t^2-13t-2=0 equation:

Simplifying
7t2 + -13t + -2 = 0

Reorder the terms:
-2 + -13t + 7t2 = 0

Solving
-2 + -13t + 7t2 = 0

Solving for variable 't'.

Factor a trinomial.
(-1 + -7t)(2 + -1t) = 0

Subproblem 1
Set the factor '(-1 + -7t)' equal to zero and attempt to solve:

Simplifying
-1 + -7t = 0

Solving
-1 + -7t = 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 + -7t = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -7t = 0 + 1
-7t = 0 + 1

Combine like terms: 0 + 1 = 1
-7t = 1

Divide each side by '-7'.
t = -0.1428571429

Simplifying
t = -0.1428571429
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 = {-0.1428571429, 2}