0=2+6t-4.9t^2

Simple and best practice solution for 0=2+6t-4.9t^2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 0=2+6t-4.9t^2 equation:


Simplifying
0 = 2 + 6t + -4.9t2

Solving
0 = 2 + 6t + -4.9t2

Solving for variable 't'.

Combine like terms: 0 + -2 = -2
-2 + -6t + 4.9t2 = 2 + 6t + -4.9t2 + -2 + -6t + 4.9t2

Reorder the terms:
-2 + -6t + 4.9t2 = 2 + -2 + 6t + -6t + -4.9t2 + 4.9t2

Combine like terms: 2 + -2 = 0
-2 + -6t + 4.9t2 = 0 + 6t + -6t + -4.9t2 + 4.9t2
-2 + -6t + 4.9t2 = 6t + -6t + -4.9t2 + 4.9t2

Combine like terms: 6t + -6t = 0
-2 + -6t + 4.9t2 = 0 + -4.9t2 + 4.9t2
-2 + -6t + 4.9t2 = -4.9t2 + 4.9t2

Combine like terms: -4.9t2 + 4.9t2 = 0.0
-2 + -6t + 4.9t2 = 0.0

Begin completing the square.  Divide all terms by
4.9 the coefficient of the squared term: 

Divide each side by '4.9'.
-0.4081632653 + -1.224489796t + t2 = 0

Move the constant term to the right:

Add '0.4081632653' to each side of the equation.
-0.4081632653 + -1.224489796t + 0.4081632653 + t2 = 0 + 0.4081632653

Reorder the terms:
-0.4081632653 + 0.4081632653 + -1.224489796t + t2 = 0 + 0.4081632653

Combine like terms: -0.4081632653 + 0.4081632653 = 0.0000000000
0.0000000000 + -1.224489796t + t2 = 0 + 0.4081632653
-1.224489796t + t2 = 0 + 0.4081632653

Combine like terms: 0 + 0.4081632653 = 0.4081632653
-1.224489796t + t2 = 0.4081632653

The t term is -1.224489796t.  Take half its coefficient (-0.612244898).
Square it (0.3748438151) and add it to both sides.

Add '0.3748438151' to each side of the equation.
-1.224489796t + 0.3748438151 + t2 = 0.4081632653 + 0.3748438151

Reorder the terms:
0.3748438151 + -1.224489796t + t2 = 0.4081632653 + 0.3748438151

Combine like terms: 0.4081632653 + 0.3748438151 = 0.7830070804
0.3748438151 + -1.224489796t + t2 = 0.7830070804

Factor a perfect square on the left side:
(t + -0.612244898)(t + -0.612244898) = 0.7830070804

Calculate the square root of the right side: 0.884876873

Break this problem into two subproblems by setting 
(t + -0.612244898) equal to 0.884876873 and -0.884876873.

Subproblem 1

t + -0.612244898 = 0.884876873 Simplifying t + -0.612244898 = 0.884876873 Reorder the terms: -0.612244898 + t = 0.884876873 Solving -0.612244898 + t = 0.884876873 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.612244898' to each side of the equation. -0.612244898 + 0.612244898 + t = 0.884876873 + 0.612244898 Combine like terms: -0.612244898 + 0.612244898 = 0.000000000 0.000000000 + t = 0.884876873 + 0.612244898 t = 0.884876873 + 0.612244898 Combine like terms: 0.884876873 + 0.612244898 = 1.497121771 t = 1.497121771 Simplifying t = 1.497121771

Subproblem 2

t + -0.612244898 = -0.884876873 Simplifying t + -0.612244898 = -0.884876873 Reorder the terms: -0.612244898 + t = -0.884876873 Solving -0.612244898 + t = -0.884876873 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.612244898' to each side of the equation. -0.612244898 + 0.612244898 + t = -0.884876873 + 0.612244898 Combine like terms: -0.612244898 + 0.612244898 = 0.000000000 0.000000000 + t = -0.884876873 + 0.612244898 t = -0.884876873 + 0.612244898 Combine like terms: -0.884876873 + 0.612244898 = -0.272631975 t = -0.272631975 Simplifying t = -0.272631975

Solution

The solution to the problem is based on the solutions from the subproblems. t = {1.497121771, -0.272631975}

See similar equations:

| -5(1+2x)=-85 | | -2500-200x=5 | | (3x-20)=(3x+5) | | 80x-30-2x-7=140 | | 3x+30=25 | | 92=4(4n-5) | | (-3-8i)-(-1-8i)= | | 34x+3=36x-3 | | 10x+8=6x+3 | | 91=4(4n-5) | | 2/3x14/x= | | Ln*6+ln*(x-1)=0 | | 1=2y-17 | | A(7)=3.14r^2 | | 2x-9=33 | | 5y-2=23 | | y=4.2(x+1) | | 150/40 | | 80x-30-21x+7=140 | | 9t-10t=5 | | ln(.00413/x)=.01 | | 7n+12=33 | | (x+5)=6x+2 | | 0.12(6)+0.02x=0.06(12+x) | | 8/3=n/1.2 | | p^4q^5/(p^2q^3)^-2 | | 8/3=n/12 | | 25a^2= | | 28x^3+32x=0 | | 3x+5=20 | | 9-10t=5 | | 0.25x+0.05(10-x)=0.10(1) |

Equations solver categories