t^2+5t-7=-1

Solution for t^2+5t-7=-1 equation:

Simplifying
t2 + 5t + -7 = -1

Reorder the terms:
-7 + 5t + t2 = -1

Solving
-7 + 5t + t2 = -1

Solving for variable 't'.

Reorder the terms:
-7 + 1 + 5t + t2 = -1 + 1

Combine like terms: -7 + 1 = -6
-6 + 5t + t2 = -1 + 1

Combine like terms: -1 + 1 = 0
-6 + 5t + t2 = 0

Factor a trinomial.
(-6 + -1t)(1 + -1t) = 0

Subproblem 1
Set the factor '(-6 + -1t)' equal to zero and attempt to solve:

Simplifying
-6 + -1t = 0

Solving
-6 + -1t = 0

Move all terms containing t to the left, all other terms to the right.

Add '6' to each side of the equation.
-6 + 6 + -1t = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -1t = 0 + 6
-1t = 0 + 6

Combine like terms: 0 + 6 = 6
-1t = 6

Divide each side by '-1'.
t = -6

Simplifying
t = -6
Subproblem 2
Set the factor '(1 + -1t)' equal to zero and attempt to solve:

Simplifying
1 + -1t = 0

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

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

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

Divide each side by '-1'.
t = 1

Simplifying
t = 1
Solution
t = {-6, 1}