0=2+14t-4.9t^2

Simple and best practice solution for 0=2+14t-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+14t-4.9t^2 equation:


Simplifying
0 = 2 + 14t + -4.9t2

Solving
0 = 2 + 14t + -4.9t2

Solving for variable 't'.

Combine like terms: 0 + -2 = -2
-2 + -14t + 4.9t2 = 2 + 14t + -4.9t2 + -2 + -14t + 4.9t2

Reorder the terms:
-2 + -14t + 4.9t2 = 2 + -2 + 14t + -14t + -4.9t2 + 4.9t2

Combine like terms: 2 + -2 = 0
-2 + -14t + 4.9t2 = 0 + 14t + -14t + -4.9t2 + 4.9t2
-2 + -14t + 4.9t2 = 14t + -14t + -4.9t2 + 4.9t2

Combine like terms: 14t + -14t = 0
-2 + -14t + 4.9t2 = 0 + -4.9t2 + 4.9t2
-2 + -14t + 4.9t2 = -4.9t2 + 4.9t2

Combine like terms: -4.9t2 + 4.9t2 = 0.0
-2 + -14t + 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 + -2.857142857t + t2 = 0

Move the constant term to the right:

Add '0.4081632653' to each side of the equation.
-0.4081632653 + -2.857142857t + 0.4081632653 + t2 = 0 + 0.4081632653

Reorder the terms:
-0.4081632653 + 0.4081632653 + -2.857142857t + t2 = 0 + 0.4081632653

Combine like terms: -0.4081632653 + 0.4081632653 = 0.0000000000
0.0000000000 + -2.857142857t + t2 = 0 + 0.4081632653
-2.857142857t + t2 = 0 + 0.4081632653

Combine like terms: 0 + 0.4081632653 = 0.4081632653
-2.857142857t + t2 = 0.4081632653

The t term is -2.857142857t.  Take half its coefficient (-1.428571429).
Square it (2.040816328) and add it to both sides.

Add '2.040816328' to each side of the equation.
-2.857142857t + 2.040816328 + t2 = 0.4081632653 + 2.040816328

Reorder the terms:
2.040816328 + -2.857142857t + t2 = 0.4081632653 + 2.040816328

Combine like terms: 0.4081632653 + 2.040816328 = 2.4489795933
2.040816328 + -2.857142857t + t2 = 2.4489795933

Factor a perfect square on the left side:
(t + -1.428571429)(t + -1.428571429) = 2.4489795933

Calculate the square root of the right side: 1.564921593

Break this problem into two subproblems by setting 
(t + -1.428571429) equal to 1.564921593 and -1.564921593.

Subproblem 1

t + -1.428571429 = 1.564921593 Simplifying t + -1.428571429 = 1.564921593 Reorder the terms: -1.428571429 + t = 1.564921593 Solving -1.428571429 + t = 1.564921593 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.428571429' to each side of the equation. -1.428571429 + 1.428571429 + t = 1.564921593 + 1.428571429 Combine like terms: -1.428571429 + 1.428571429 = 0.000000000 0.000000000 + t = 1.564921593 + 1.428571429 t = 1.564921593 + 1.428571429 Combine like terms: 1.564921593 + 1.428571429 = 2.993493022 t = 2.993493022 Simplifying t = 2.993493022

Subproblem 2

t + -1.428571429 = -1.564921593 Simplifying t + -1.428571429 = -1.564921593 Reorder the terms: -1.428571429 + t = -1.564921593 Solving -1.428571429 + t = -1.564921593 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.428571429' to each side of the equation. -1.428571429 + 1.428571429 + t = -1.564921593 + 1.428571429 Combine like terms: -1.428571429 + 1.428571429 = 0.000000000 0.000000000 + t = -1.564921593 + 1.428571429 t = -1.564921593 + 1.428571429 Combine like terms: -1.564921593 + 1.428571429 = -0.136350164 t = -0.136350164 Simplifying t = -0.136350164

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.993493022, -0.136350164}

See similar equations:

| 5X-5X=7 | | 4730=3y+5x | | x(50-x)=576 | | L=5+15-4 | | 45x+5= | | 4x^2+3x-13=17-16x | | 31/3x91/3 | | 1/2x-12=-26 | | (2/3)x-12=0 | | 3(2x+8)=5x-3 | | x^3-x^2-20x=-20 | | 1.50+3(p+2.50)= | | -5-15N=60 | | 2x+7-1x=13 | | x^3-x^2-20x+20=0 | | 3x(2x+4y-5)= | | 4(8+5x)=132 | | Z-6-12=12 | | 9x-7-3=35 | | 6(1x+2)=66 | | 12b^4c^3+6b^3c^2-18b^2c= | | 4=17+5 | | 18-5t=1t | | (2x-6)+(2x-6)+(x-3)+(x-3)=26 | | 2(3+6x)=102 | | m^2=6m | | 14u+14= | | 4(3x+7)=124 | | 7b-2-2=-14+5b | | -3(2x+4)=6 | | (2x+4)+(2x)+(2x+3)=2x+(3x+1)+2x | | -9(-1)= |

Equations solver categories