320=-16t^2-4t+322

Solution for 320=-16t^2-4t+322 equation:

Simplifying
320 = -16t2 + -4t + 322

Reorder the terms:
320 = 322 + -4t + -16t2

Solving
320 = 322 + -4t + -16t2

Solving for variable 't'.

Combine like terms: 320 + -322 = -2
-2 + 4t + 16t2 = 322 + -4t + -16t2 + -322 + 4t + 16t2

Reorder the terms:
-2 + 4t + 16t2 = 322 + -322 + -4t + 4t + -16t2 + 16t2

Combine like terms: 322 + -322 = 0
-2 + 4t + 16t2 = 0 + -4t + 4t + -16t2 + 16t2
-2 + 4t + 16t2 = -4t + 4t + -16t2 + 16t2

Combine like terms: -4t + 4t = 0
-2 + 4t + 16t2 = 0 + -16t2 + 16t2
-2 + 4t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-2 + 4t + 16t2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-1 + 2t + 8t2) = 0

Factor a trinomial.
2((-1 + -2t)(1 + -4t)) = 0

Ignore the factor 2.
Subproblem 1
Set the factor '(-1 + -2t)' equal to zero and attempt to solve:

Simplifying
-1 + -2t = 0

Solving
-1 + -2t = 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 + -2t = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -2t = 0 + 1
-2t = 0 + 1

Combine like terms: 0 + 1 = 1
-2t = 1

Divide each side by '-2'.
t = -0.5

Simplifying
t = -0.5
Subproblem 2
Set the factor '(1 + -4t)' equal to zero and attempt to solve:

Simplifying
1 + -4t = 0

Solving
1 + -4t = 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 + -4t = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -4t = 0 + -1
-4t = 0 + -1

Combine like terms: 0 + -1 = -1
-4t = -1

Divide each side by '-4'.
t = 0.25

Simplifying
t = 0.25
Solution
t = {-0.5, 0.25}