t*2+9t+20=0

Solution for t*2+9t+20=0 equation:

Simplifying
t * 2 + 9t + 20 = 0

Reorder the terms for easier multiplication:
2t + 9t + 20 = 0

Reorder the terms:
20 + 2t + 9t = 0

Combine like terms: 2t + 9t = 11t
20 + 11t = 0

Solving
20 + 11t = 0

Solving for variable 't'.

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

Add '-20' to each side of the equation.
20 + -20 + 11t = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 11t = 0 + -20
11t = 0 + -20

Combine like terms: 0 + -20 = -20
11t = -20

Divide each side by '11'.
t = -1.818181818

Simplifying
t = -1.818181818