6=-4.9t^2+8.1t+3

Simple and best practice solution for 6=-4.9t^2+8.1t+3 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 6=-4.9t^2+8.1t+3 equation:


Simplifying
6 = -4.9t2 + 8.1t + 3

Reorder the terms:
6 = 3 + 8.1t + -4.9t2

Solving
6 = 3 + 8.1t + -4.9t2

Solving for variable 't'.

Combine like terms: 6 + -3 = 3
3 + -8.1t + 4.9t2 = 3 + 8.1t + -4.9t2 + -3 + -8.1t + 4.9t2

Reorder the terms:
3 + -8.1t + 4.9t2 = 3 + -3 + 8.1t + -8.1t + -4.9t2 + 4.9t2

Combine like terms: 3 + -3 = 0
3 + -8.1t + 4.9t2 = 0 + 8.1t + -8.1t + -4.9t2 + 4.9t2
3 + -8.1t + 4.9t2 = 8.1t + -8.1t + -4.9t2 + 4.9t2

Combine like terms: 8.1t + -8.1t = 0.0
3 + -8.1t + 4.9t2 = 0.0 + -4.9t2 + 4.9t2
3 + -8.1t + 4.9t2 = -4.9t2 + 4.9t2

Combine like terms: -4.9t2 + 4.9t2 = 0.0
3 + -8.1t + 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'.
0.612244898 + -1.653061224t + t2 = 0

Move the constant term to the right:

Add '-0.612244898' to each side of the equation.
0.612244898 + -1.653061224t + -0.612244898 + t2 = 0 + -0.612244898

Reorder the terms:
0.612244898 + -0.612244898 + -1.653061224t + t2 = 0 + -0.612244898

Combine like terms: 0.612244898 + -0.612244898 = 0.000000000
0.000000000 + -1.653061224t + t2 = 0 + -0.612244898
-1.653061224t + t2 = 0 + -0.612244898

Combine like terms: 0 + -0.612244898 = -0.612244898
-1.653061224t + t2 = -0.612244898

The t term is -1.653061224t.  Take half its coefficient (-0.826530612).
Square it (0.6831528526) and add it to both sides.

Add '0.6831528526' to each side of the equation.
-1.653061224t + 0.6831528526 + t2 = -0.612244898 + 0.6831528526

Reorder the terms:
0.6831528526 + -1.653061224t + t2 = -0.612244898 + 0.6831528526

Combine like terms: -0.612244898 + 0.6831528526 = 0.0709079546
0.6831528526 + -1.653061224t + t2 = 0.0709079546

Factor a perfect square on the left side:
(t + -0.826530612)(t + -0.826530612) = 0.0709079546

Calculate the square root of the right side: 0.266285476

Break this problem into two subproblems by setting 
(t + -0.826530612) equal to 0.266285476 and -0.266285476.

Subproblem 1

t + -0.826530612 = 0.266285476 Simplifying t + -0.826530612 = 0.266285476 Reorder the terms: -0.826530612 + t = 0.266285476 Solving -0.826530612 + t = 0.266285476 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.826530612' to each side of the equation. -0.826530612 + 0.826530612 + t = 0.266285476 + 0.826530612 Combine like terms: -0.826530612 + 0.826530612 = 0.000000000 0.000000000 + t = 0.266285476 + 0.826530612 t = 0.266285476 + 0.826530612 Combine like terms: 0.266285476 + 0.826530612 = 1.092816088 t = 1.092816088 Simplifying t = 1.092816088

Subproblem 2

t + -0.826530612 = -0.266285476 Simplifying t + -0.826530612 = -0.266285476 Reorder the terms: -0.826530612 + t = -0.266285476 Solving -0.826530612 + t = -0.266285476 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.826530612' to each side of the equation. -0.826530612 + 0.826530612 + t = -0.266285476 + 0.826530612 Combine like terms: -0.826530612 + 0.826530612 = 0.000000000 0.000000000 + t = -0.266285476 + 0.826530612 t = -0.266285476 + 0.826530612 Combine like terms: -0.266285476 + 0.826530612 = 0.560245136 t = 0.560245136 Simplifying t = 0.560245136

Solution

The solution to the problem is based on the solutions from the subproblems. t = {1.092816088, 0.560245136}

See similar equations:

| 6=-4.9t^2+8.1t | | 7r=560 | | V/4=15 | | 331-7/6=x | | 2x+21x+8=0 | | sqrt(280x+345)-4sqrt(17x+19)=1 | | G+43=88 | | 7[2-4(y-1)]=7(2y+8) | | M+18=26 | | 10x=-10+x | | 3z-9=z+3 | | (x+2i)(x-21)=0 | | 4(-1)(-4)= | | -1(-4)(-3)(-3)= | | 7w+20=11w | | .09x=54863 | | K-52=105 | | X-.09x=54863 | | 3=x/5-4 | | X*.35=75.68 | | -10+x=10x | | 5-7y=7y-8y | | y=v(3x-1)(5x-1) | | 5x+7x-3x=24+3 | | 9x+13=-35 | | x+-10=10x | | 30-(6+1)= | | 3x-8+2x+1+1=0 | | 8d-11+3d+13=13 | | 4x^3-24x^2-6x+62=0 | | (x+47)+(x+36)+(2x+13)+(x+14)=360 | | G=d(1+rt)solvet |

Equations solver categories