2=4.9t^2+3t

Simple and best practice solution for 2=4.9t^2+3t 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 2=4.9t^2+3t equation:


Simplifying
2 = 4.9t2 + 3t

Reorder the terms:
2 = 3t + 4.9t2

Solving
2 = 3t + 4.9t2

Solving for variable 't'.

Reorder the terms:
2 + -3t + -4.9t2 = 3t + -3t + 4.9t2 + -4.9t2

Combine like terms: 3t + -3t = 0
2 + -3t + -4.9t2 = 0 + 4.9t2 + -4.9t2
2 + -3t + -4.9t2 = 4.9t2 + -4.9t2

Combine like terms: 4.9t2 + -4.9t2 = 0.0
2 + -3t + -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 + 0.612244898t + t2 = 0

Move the constant term to the right:

Add '0.4081632653' to each side of the equation.
-0.4081632653 + 0.612244898t + 0.4081632653 + t2 = 0 + 0.4081632653

Reorder the terms:
-0.4081632653 + 0.4081632653 + 0.612244898t + t2 = 0 + 0.4081632653

Combine like terms: -0.4081632653 + 0.4081632653 = 0.0000000000
0.0000000000 + 0.612244898t + t2 = 0 + 0.4081632653
0.612244898t + t2 = 0 + 0.4081632653

Combine like terms: 0 + 0.4081632653 = 0.4081632653
0.612244898t + t2 = 0.4081632653

The t term is 0.612244898t.  Take half its coefficient (0.306122449).
Square it (0.09371095378) and add it to both sides.

Add '0.09371095378' to each side of the equation.
0.612244898t + 0.09371095378 + t2 = 0.4081632653 + 0.09371095378

Reorder the terms:
0.09371095378 + 0.612244898t + t2 = 0.4081632653 + 0.09371095378

Combine like terms: 0.4081632653 + 0.09371095378 = 0.50187421908
0.09371095378 + 0.612244898t + t2 = 0.50187421908

Factor a perfect square on the left side:
(t + 0.306122449)(t + 0.306122449) = 0.50187421908

Calculate the square root of the right side: 0.708430815

Break this problem into two subproblems by setting 
(t + 0.306122449) equal to 0.708430815 and -0.708430815.

Subproblem 1

t + 0.306122449 = 0.708430815 Simplifying t + 0.306122449 = 0.708430815 Reorder the terms: 0.306122449 + t = 0.708430815 Solving 0.306122449 + t = 0.708430815 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.306122449' to each side of the equation. 0.306122449 + -0.306122449 + t = 0.708430815 + -0.306122449 Combine like terms: 0.306122449 + -0.306122449 = 0.000000000 0.000000000 + t = 0.708430815 + -0.306122449 t = 0.708430815 + -0.306122449 Combine like terms: 0.708430815 + -0.306122449 = 0.402308366 t = 0.402308366 Simplifying t = 0.402308366

Subproblem 2

t + 0.306122449 = -0.708430815 Simplifying t + 0.306122449 = -0.708430815 Reorder the terms: 0.306122449 + t = -0.708430815 Solving 0.306122449 + t = -0.708430815 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.306122449' to each side of the equation. 0.306122449 + -0.306122449 + t = -0.708430815 + -0.306122449 Combine like terms: 0.306122449 + -0.306122449 = 0.000000000 0.000000000 + t = -0.708430815 + -0.306122449 t = -0.708430815 + -0.306122449 Combine like terms: -0.708430815 + -0.306122449 = -1.014553264 t = -1.014553264 Simplifying t = -1.014553264

Solution

The solution to the problem is based on the solutions from the subproblems. t = {0.402308366, -1.014553264}

See similar equations:

| 5x-29=-x-5 | | 0=206.3-.711x | | 8-7x=-11x | | S/9-1=2 | | 70=5t^2-15t-20 | | 0=217-.85x | | A=v-v0/t-t0 | | 4(H-62)=72 | | q+5x=7x-7 | | x-4+7x=3+8x | | 6n-14=-4(1-3n)-n | | 4v^2-3=-v | | 7(V-83)=49 | | 0.02-0.04x-0.98x^2=0 | | 4v-3=v^2 | | 3C-15=60 | | x+10-4=5 | | 30-12x=12x | | 6(T+6)=16 | | 2x-2=46 | | fn=(n+1)f | | 6+3w=-12 | | 30+-5= | | 7+2H=41 | | (6x-5)-(3x-2)= | | 9(-m-11)=-20m | | W+6w=56 | | 4S+5=13 | | 10x+-12y=-21 | | 18-6x=-2(4x-6) | | -18+6(-19n-18)=6(-17n-7) | | (5x-4)+34x=-17 |

Equations solver categories