6t+4.9t^2=40

Simple and best practice solution for 6t+4.9t^2=40 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 6t+4.9t^2=40 equation:


Simplifying
6t + 4.9t2 = 40

Solving
6t + 4.9t2 = 40

Solving for variable 't'.

Reorder the terms:
-40 + 6t + 4.9t2 = 40 + -40

Combine like terms: 40 + -40 = 0
-40 + 6t + 4.9t2 = 0

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

Divide each side by '4.9'.
-8.163265306 + 1.224489796t + t2 = 0

Move the constant term to the right:

Add '8.163265306' to each side of the equation.
-8.163265306 + 1.224489796t + 8.163265306 + t2 = 0 + 8.163265306

Reorder the terms:
-8.163265306 + 8.163265306 + 1.224489796t + t2 = 0 + 8.163265306

Combine like terms: -8.163265306 + 8.163265306 = 0.000000000
0.000000000 + 1.224489796t + t2 = 0 + 8.163265306
1.224489796t + t2 = 0 + 8.163265306

Combine like terms: 0 + 8.163265306 = 8.163265306
1.224489796t + t2 = 8.163265306

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 = 8.163265306 + 0.3748438151

Reorder the terms:
0.3748438151 + 1.224489796t + t2 = 8.163265306 + 0.3748438151

Combine like terms: 8.163265306 + 0.3748438151 = 8.5381091211
0.3748438151 + 1.224489796t + t2 = 8.5381091211

Factor a perfect square on the left side:
(t + 0.612244898)(t + 0.612244898) = 8.5381091211

Calculate the square root of the right side: 2.922004299

Break this problem into two subproblems by setting 
(t + 0.612244898) equal to 2.922004299 and -2.922004299.

Subproblem 1

t + 0.612244898 = 2.922004299 Simplifying t + 0.612244898 = 2.922004299 Reorder the terms: 0.612244898 + t = 2.922004299 Solving 0.612244898 + t = 2.922004299 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 = 2.922004299 + -0.612244898 Combine like terms: 0.612244898 + -0.612244898 = 0.000000000 0.000000000 + t = 2.922004299 + -0.612244898 t = 2.922004299 + -0.612244898 Combine like terms: 2.922004299 + -0.612244898 = 2.309759401 t = 2.309759401 Simplifying t = 2.309759401

Subproblem 2

t + 0.612244898 = -2.922004299 Simplifying t + 0.612244898 = -2.922004299 Reorder the terms: 0.612244898 + t = -2.922004299 Solving 0.612244898 + t = -2.922004299 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 = -2.922004299 + -0.612244898 Combine like terms: 0.612244898 + -0.612244898 = 0.000000000 0.000000000 + t = -2.922004299 + -0.612244898 t = -2.922004299 + -0.612244898 Combine like terms: -2.922004299 + -0.612244898 = -3.534249197 t = -3.534249197 Simplifying t = -3.534249197

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.309759401, -3.534249197}

See similar equations:

| 20=x^4 | | 5x+10=12-y | | 6n-6n+3n-n-n=19 | | 28=x-[-5] | | x^2=11x-35 | | 1.25=.75r | | 2cot*cos^2x=cotx | | (x+3)(x-3)=5x+5 | | 3.7x+6=14x | | 5sinx=7 | | ax+bx+2=5 | | 3x+6=3785655 | | 9=j+2 | | (-4x+3)+(-2+8)= | | 4+g=7 | | (x-9)(x+7)=25 | | 2*-3+2= | | d+0.5=.75 | | g-4=7 | | lx-4l-7=3 | | (x^5)(2x^3)(y^2)= | | 29=6+.10x | | 4lx-3l=8 | | y=2e^4x | | 18w+3w-5w-13w=15 | | -1(x+2)+5=5x | | -1(x+2)+5=5z | | -3(y-5)=2y-10 | | 17z-11z=12 | | 2(x+4)+40=-4x | | 2(b)+4(b)=40-4 | | 6a^2+2=6a |

Equations solver categories