200=4.9t^2+20t

Simple and best practice solution for 200=4.9t^2+20t 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 200=4.9t^2+20t equation:


Simplifying
200 = 4.9t2 + 20t

Reorder the terms:
200 = 20t + 4.9t2

Solving
200 = 20t + 4.9t2

Solving for variable 't'.

Reorder the terms:
200 + -20t + -4.9t2 = 20t + -20t + 4.9t2 + -4.9t2

Combine like terms: 20t + -20t = 0
200 + -20t + -4.9t2 = 0 + 4.9t2 + -4.9t2
200 + -20t + -4.9t2 = 4.9t2 + -4.9t2

Combine like terms: 4.9t2 + -4.9t2 = 0.0
200 + -20t + -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'.
-40.81632653 + 4.081632653t + t2 = 0

Move the constant term to the right:

Add '40.81632653' to each side of the equation.
-40.81632653 + 4.081632653t + 40.81632653 + t2 = 0 + 40.81632653

Reorder the terms:
-40.81632653 + 40.81632653 + 4.081632653t + t2 = 0 + 40.81632653

Combine like terms: -40.81632653 + 40.81632653 = 0.00000000
0.00000000 + 4.081632653t + t2 = 0 + 40.81632653
4.081632653t + t2 = 0 + 40.81632653

Combine like terms: 0 + 40.81632653 = 40.81632653
4.081632653t + t2 = 40.81632653

The t term is 4.081632653t.  Take half its coefficient (2.040816327).
Square it (4.164931281) and add it to both sides.

Add '4.164931281' to each side of the equation.
4.081632653t + 4.164931281 + t2 = 40.81632653 + 4.164931281

Reorder the terms:
4.164931281 + 4.081632653t + t2 = 40.81632653 + 4.164931281

Combine like terms: 40.81632653 + 4.164931281 = 44.981257811
4.164931281 + 4.081632653t + t2 = 44.981257811

Factor a perfect square on the left side:
(t + 2.040816327)(t + 2.040816327) = 44.981257811

Calculate the square root of the right side: 6.706806827

Break this problem into two subproblems by setting 
(t + 2.040816327) equal to 6.706806827 and -6.706806827.

Subproblem 1

t + 2.040816327 = 6.706806827 Simplifying t + 2.040816327 = 6.706806827 Reorder the terms: 2.040816327 + t = 6.706806827 Solving 2.040816327 + t = 6.706806827 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2.040816327' to each side of the equation. 2.040816327 + -2.040816327 + t = 6.706806827 + -2.040816327 Combine like terms: 2.040816327 + -2.040816327 = 0.000000000 0.000000000 + t = 6.706806827 + -2.040816327 t = 6.706806827 + -2.040816327 Combine like terms: 6.706806827 + -2.040816327 = 4.6659905 t = 4.6659905 Simplifying t = 4.6659905

Subproblem 2

t + 2.040816327 = -6.706806827 Simplifying t + 2.040816327 = -6.706806827 Reorder the terms: 2.040816327 + t = -6.706806827 Solving 2.040816327 + t = -6.706806827 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2.040816327' to each side of the equation. 2.040816327 + -2.040816327 + t = -6.706806827 + -2.040816327 Combine like terms: 2.040816327 + -2.040816327 = 0.000000000 0.000000000 + t = -6.706806827 + -2.040816327 t = -6.706806827 + -2.040816327 Combine like terms: -6.706806827 + -2.040816327 = -8.747623154 t = -8.747623154 Simplifying t = -8.747623154

Solution

The solution to the problem is based on the solutions from the subproblems. t = {4.6659905, -8.747623154}

See similar equations:

| 2(1.2)+5.4= | | 7x+2Y+4=0 | | -19=n/7 | | 50+2x+8+90=180 | | 5x+5-3(x+1)=7x+6 | | 200=4.9t+20t | | 3(1.2)+2= | | 4(v+1/4)=2/3 | | m+(-4)=-22 | | 7b+3=4 | | 2/3w-5/6 | | 8(4x)^(1/2)=7x-14 | | 50+2x+8=90 | | 90+(2.5x)+(3.5x)=180 | | 15(2+r)= | | 2x-2+y=1 | | (5v-2)(7+v)=0 | | 4m-3=3m-8 | | 1/2(4d+2)=2/3 | | 3/5p-3/10 | | 4p=8l+6W | | 5x-2y=77 | | -2=-10+x | | (9x+9)(5x^2+6x+5)= | | 2/3=5(y-0.2) | | 6v=782 | | 18+(-1r)=42 | | 4(d-7)=5 | | Sec^2x+tanx-3=0 | | y=2+3-1 | | 5x-2x=77 | | 1/4(5t-8)=7/4t-t |

Equations solver categories