2x^2-57x-8000=0

Simple and best practice solution for 2x^2-57x-8000=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 2x^2-57x-8000=0 equation:


Simplifying
2x2 + -57x + -8000 = 0

Reorder the terms:
-8000 + -57x + 2x2 = 0

Solving
-8000 + -57x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
-4000 + -28.5x + x2 = 0

Move the constant term to the right:

Add '4000' to each side of the equation.
-4000 + -28.5x + 4000 + x2 = 0 + 4000

Reorder the terms:
-4000 + 4000 + -28.5x + x2 = 0 + 4000

Combine like terms: -4000 + 4000 = 0
0 + -28.5x + x2 = 0 + 4000
-28.5x + x2 = 0 + 4000

Combine like terms: 0 + 4000 = 4000
-28.5x + x2 = 4000

The x term is -28.5x.  Take half its coefficient (-14.25).
Square it (203.0625) and add it to both sides.

Add '203.0625' to each side of the equation.
-28.5x + 203.0625 + x2 = 4000 + 203.0625

Reorder the terms:
203.0625 + -28.5x + x2 = 4000 + 203.0625

Combine like terms: 4000 + 203.0625 = 4203.0625
203.0625 + -28.5x + x2 = 4203.0625

Factor a perfect square on the left side:
(x + -14.25)(x + -14.25) = 4203.0625

Calculate the square root of the right side: 64.831030379

Break this problem into two subproblems by setting 
(x + -14.25) equal to 64.831030379 and -64.831030379.

Subproblem 1

x + -14.25 = 64.831030379 Simplifying x + -14.25 = 64.831030379 Reorder the terms: -14.25 + x = 64.831030379 Solving -14.25 + x = 64.831030379 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.25' to each side of the equation. -14.25 + 14.25 + x = 64.831030379 + 14.25 Combine like terms: -14.25 + 14.25 = 0.00 0.00 + x = 64.831030379 + 14.25 x = 64.831030379 + 14.25 Combine like terms: 64.831030379 + 14.25 = 79.081030379 x = 79.081030379 Simplifying x = 79.081030379

Subproblem 2

x + -14.25 = -64.831030379 Simplifying x + -14.25 = -64.831030379 Reorder the terms: -14.25 + x = -64.831030379 Solving -14.25 + x = -64.831030379 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.25' to each side of the equation. -14.25 + 14.25 + x = -64.831030379 + 14.25 Combine like terms: -14.25 + 14.25 = 0.00 0.00 + x = -64.831030379 + 14.25 x = -64.831030379 + 14.25 Combine like terms: -64.831030379 + 14.25 = -50.581030379 x = -50.581030379 Simplifying x = -50.581030379

Solution

The solution to the problem is based on the solutions from the subproblems. x = {79.081030379, -50.581030379}

See similar equations:

| 10(z+2)-3(z-4)=3(z-3)+3(z-2) | | 2-4(x+4)=56 | | y=0.150(120)+0 | | 2m-4=20+6 | | 10-2y=5y-25 | | 4(4x-9)-6=4(x-2)+26 | | 10+7=263 | | 5x+1.2=0.2 | | 10y-2y=5y-25 | | -12=8-(x+1)-11 | | 9.8=t/1.564 | | 10c+7h=263 | | -3-3b=-7-3b | | -12=0.5(-9.8)t^2 | | x+.05x=273 | | 10w+9=-1+10w | | 6x-(2x+3)=13 | | 2[a+1]=45+a | | h=-25t^2+pt+c | | 4(6x+1)-9=139 | | 17-[5+8y-3(y+2)]=-3(4y-3)-[8(y-1)-13y+3] | | 6x2y3/3xy | | 1=10-9w | | 4x=4y-y^2 | | x-.05x=126 | | 3x+3=4x+20 | | 59=29-5(x-3) | | 9x-18+2x=2-5x+12 | | 2/x=3x-14 | | 14*14+3*7-12= | | -7s-2=-2-7s | | -20x^2+x+12=0 |

Equations solver categories