-55=-1.7t+-4.9t^2

Simple and best practice solution for -55=-1.7t+-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 -55=-1.7t+-4.9t^2 equation:


Simplifying
-55 = -1.7t + -4.9t2

Solving
-55 = -1.7t + -4.9t2

Solving for variable 't'.

Reorder the terms:
-55 + 1.7t + 4.9t2 = -1.7t + 1.7t + -4.9t2 + 4.9t2

Combine like terms: -1.7t + 1.7t = 0.0
-55 + 1.7t + 4.9t2 = 0.0 + -4.9t2 + 4.9t2
-55 + 1.7t + 4.9t2 = -4.9t2 + 4.9t2

Combine like terms: -4.9t2 + 4.9t2 = 0.0
-55 + 1.7t + 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'.
-11.2244898 + 0.3469387755t + t2 = 0

Move the constant term to the right:

Add '11.2244898' to each side of the equation.
-11.2244898 + 0.3469387755t + 11.2244898 + t2 = 0 + 11.2244898

Reorder the terms:
-11.2244898 + 11.2244898 + 0.3469387755t + t2 = 0 + 11.2244898

Combine like terms: -11.2244898 + 11.2244898 = 0.0000000
0.0000000 + 0.3469387755t + t2 = 0 + 11.2244898
0.3469387755t + t2 = 0 + 11.2244898

Combine like terms: 0 + 11.2244898 = 11.2244898
0.3469387755t + t2 = 11.2244898

The t term is 0.3469387755t.  Take half its coefficient (0.1734693878).
Square it (0.03009162850) and add it to both sides.

Add '0.03009162850' to each side of the equation.
0.3469387755t + 0.03009162850 + t2 = 11.2244898 + 0.03009162850

Reorder the terms:
0.03009162850 + 0.3469387755t + t2 = 11.2244898 + 0.03009162850

Combine like terms: 11.2244898 + 0.03009162850 = 11.2545814285
0.03009162850 + 0.3469387755t + t2 = 11.2545814285

Factor a perfect square on the left side:
(t + 0.1734693878)(t + 0.1734693878) = 11.2545814285

Calculate the square root of the right side: 3.354784856

Break this problem into two subproblems by setting 
(t + 0.1734693878) equal to 3.354784856 and -3.354784856.

Subproblem 1

t + 0.1734693878 = 3.354784856 Simplifying t + 0.1734693878 = 3.354784856 Reorder the terms: 0.1734693878 + t = 3.354784856 Solving 0.1734693878 + t = 3.354784856 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.1734693878' to each side of the equation. 0.1734693878 + -0.1734693878 + t = 3.354784856 + -0.1734693878 Combine like terms: 0.1734693878 + -0.1734693878 = 0.0000000000 0.0000000000 + t = 3.354784856 + -0.1734693878 t = 3.354784856 + -0.1734693878 Combine like terms: 3.354784856 + -0.1734693878 = 3.1813154682 t = 3.1813154682 Simplifying t = 3.1813154682

Subproblem 2

t + 0.1734693878 = -3.354784856 Simplifying t + 0.1734693878 = -3.354784856 Reorder the terms: 0.1734693878 + t = -3.354784856 Solving 0.1734693878 + t = -3.354784856 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.1734693878' to each side of the equation. 0.1734693878 + -0.1734693878 + t = -3.354784856 + -0.1734693878 Combine like terms: 0.1734693878 + -0.1734693878 = 0.0000000000 0.0000000000 + t = -3.354784856 + -0.1734693878 t = -3.354784856 + -0.1734693878 Combine like terms: -3.354784856 + -0.1734693878 = -3.5282542438 t = -3.5282542438 Simplifying t = -3.5282542438

Solution

The solution to the problem is based on the solutions from the subproblems. t = {3.1813154682, -3.5282542438}

See similar equations:

| 7x+3=8+5x | | 20=2(p-1) | | 5x/12=x/6+3 | | 7*3.8= | | 3x-5=10x+3 | | 20=3(x-1)-(x-7) | | z/16=-18 | | 7-4x=43 | | 84=-6(x-4) | | -30=29 | | -45=x-67 | | n/5-6=-4 | | 6d+9=2d+17 | | 1=8+x/14 | | -11+5+(-8)+(-4)= | | 8x-(4x-9)=29 | | 0=m/18-1 | | -2=r+7/2 | | 1/(3x+5)+1/(4x-1)=2 | | -5x-4=29 | | 3p-15=21 | | 2x+5=-7+6x | | 3X+103=7X-13 | | 4x/(x+5)-8/(x-1)=4 | | 19x+73=7 | | 50=10t+4.9t^2 | | -5(-5w+3)-8w=2(w-1)-7 | | 6=4-2d/5 | | -3x+7=35 | | 2x+x-2=40 | | -29+7x=-68 | | 5-2(x+2)=16 |

Equations solver categories