20=0t+1/2-9.8t^2

Solution for 20=0t+1/2-9.8t^2 equation:

20=0t+1/2-9.8t^2

We move all terms to the left:

20-(0t+1/2-9.8t^2)=0


Domain of the equation: 2-9.8t^2)!=0

We move all terms containing t to the left, all other terms to the right

-9.8t^2)!=-2

t!=-2/1

t!=-2

t∈R


We get rid of parentheses

9.8t^2-0t+20-1/2=0

We multiply all the terms by the denominator


(9.8t^2)*2-0t*2-1+20*2=0

We add all the numbers together, and all the variables

(9.8t^2)*2-0t*2+39=0

We multiply parentheses

18t-0t*2+39=0

Wy multiply elements

18t+0t+39=0

We add all the numbers together, and all the variables

19t+39=0

We move all terms containing t to the left, all other terms to the right

19t=-39

t=-39/19

t=-2+1/19