13t^2-130t-160=0

Simple and best practice solution for 13t^2-130t-160=0 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 13t^2-130t-160=0 equation:


Simplifying
13t2 + -130t + -160 = 0

Reorder the terms:
-160 + -130t + 13t2 = 0

Solving
-160 + -130t + 13t2 = 0

Solving for variable 't'.

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

Divide each side by '13'.
-12.30769231 + -10t + t2 = 0

Move the constant term to the right:

Add '12.30769231' to each side of the equation.
-12.30769231 + -10t + 12.30769231 + t2 = 0 + 12.30769231

Reorder the terms:
-12.30769231 + 12.30769231 + -10t + t2 = 0 + 12.30769231

Combine like terms: -12.30769231 + 12.30769231 = 0.00000000
0.00000000 + -10t + t2 = 0 + 12.30769231
-10t + t2 = 0 + 12.30769231

Combine like terms: 0 + 12.30769231 = 12.30769231
-10t + t2 = 12.30769231

The t term is -10t.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10t + 25 + t2 = 12.30769231 + 25

Reorder the terms:
25 + -10t + t2 = 12.30769231 + 25

Combine like terms: 12.30769231 + 25 = 37.30769231
25 + -10t + t2 = 37.30769231

Factor a perfect square on the left side:
(t + -5)(t + -5) = 37.30769231

Calculate the square root of the right side: 6.108002317

Break this problem into two subproblems by setting 
(t + -5) equal to 6.108002317 and -6.108002317.

Subproblem 1

t + -5 = 6.108002317 Simplifying t + -5 = 6.108002317 Reorder the terms: -5 + t = 6.108002317 Solving -5 + t = 6.108002317 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + t = 6.108002317 + 5 Combine like terms: -5 + 5 = 0 0 + t = 6.108002317 + 5 t = 6.108002317 + 5 Combine like terms: 6.108002317 + 5 = 11.108002317 t = 11.108002317 Simplifying t = 11.108002317

Subproblem 2

t + -5 = -6.108002317 Simplifying t + -5 = -6.108002317 Reorder the terms: -5 + t = -6.108002317 Solving -5 + t = -6.108002317 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + t = -6.108002317 + 5 Combine like terms: -5 + 5 = 0 0 + t = -6.108002317 + 5 t = -6.108002317 + 5 Combine like terms: -6.108002317 + 5 = -1.108002317 t = -1.108002317 Simplifying t = -1.108002317

Solution

The solution to the problem is based on the solutions from the subproblems. t = {11.108002317, -1.108002317}

See similar equations:

| 13t^2-130t+160=0 | | -6=w-4/5 | | -6=w+155 | | 40-31y=5(2) | | 3t-2=31 | | 3/5*25/36 | | x+1/4=-4/5 | | 65=-w+155 | | -7x+23=3-2(4x-7) | | -w+29=264 | | 5x=2m^2 | | y=-(7/4)x^2 | | 40-35y+4y=5 | | C(x)=x^2-17x+50 | | -(-4-2v)=8v+40 | | 3(x-5)=22 | | -9(x-5)+x=-(-4-x) | | 5w^3+2w^2+15w+6=0 | | 10+4-2/2+4 | | (-1)/6x^3+2x=0 | | 13=-2b-3 | | 3(x-8)-4=-6(-3x+2)-5x | | 4x^3+10x^2-14x-5=0 | | 3x^2-10xy-8y^2=0 | | 3*-2+5= | | 7(b+6)+6=30+4b | | (x/x-5)^-1 | | Y=51-3z | | -8(t+1)+2t=7+t | | y=x/(x-5) | | 27x^4-18x^3/(3x^2) | | 16=8/3x |

Equations solver categories