x^2-4x-1230=0

Simple and best practice solution for x^2-4x-1230=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 x^2-4x-1230=0 equation:


Simplifying
x2 + -4x + -1230 = 0

Reorder the terms:
-1230 + -4x + x2 = 0

Solving
-1230 + -4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '1230' to each side of the equation.
-1230 + -4x + 1230 + x2 = 0 + 1230

Reorder the terms:
-1230 + 1230 + -4x + x2 = 0 + 1230

Combine like terms: -1230 + 1230 = 0
0 + -4x + x2 = 0 + 1230
-4x + x2 = 0 + 1230

Combine like terms: 0 + 1230 = 1230
-4x + x2 = 1230

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = 1230 + 4

Reorder the terms:
4 + -4x + x2 = 1230 + 4

Combine like terms: 1230 + 4 = 1234
4 + -4x + x2 = 1234

Factor a perfect square on the left side:
(x + -2)(x + -2) = 1234

Calculate the square root of the right side: 35.128336141

Break this problem into two subproblems by setting 
(x + -2) equal to 35.128336141 and -35.128336141.

Subproblem 1

x + -2 = 35.128336141 Simplifying x + -2 = 35.128336141 Reorder the terms: -2 + x = 35.128336141 Solving -2 + x = 35.128336141 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 35.128336141 + 2 Combine like terms: -2 + 2 = 0 0 + x = 35.128336141 + 2 x = 35.128336141 + 2 Combine like terms: 35.128336141 + 2 = 37.128336141 x = 37.128336141 Simplifying x = 37.128336141

Subproblem 2

x + -2 = -35.128336141 Simplifying x + -2 = -35.128336141 Reorder the terms: -2 + x = -35.128336141 Solving -2 + x = -35.128336141 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -35.128336141 + 2 Combine like terms: -2 + 2 = 0 0 + x = -35.128336141 + 2 x = -35.128336141 + 2 Combine like terms: -35.128336141 + 2 = -33.128336141 x = -33.128336141 Simplifying x = -33.128336141

Solution

The solution to the problem is based on the solutions from the subproblems. x = {37.128336141, -33.128336141}

See similar equations:

| 3-7x+8-2x= | | 0.125x=35 | | 4a-3(1-2)=2(3a-2) | | y=-3(4)+12(2)+5 | | Cn^2=n^2+5n+25 | | t^3+10t+21=0 | | -4c-6*0=24 | | 2p^2+7p-85=0 | | -5*0=2c+10 | | -10+3x=10 | | 9(2d-1)=-(3d-2) | | 10c+4*0=40 | | 2(45c-6)=c+34 | | 3(6x-3)+5=4(x+6) | | q=r | | 4(x+2)=5(x-6) | | 10*0+4d=40 | | 8-4x+12y-12x-24y+6=0 | | 5+6x=-67 | | 10*c+4d=40 | | 3x+5y-18=0 | | 3a=a+b+c | | 3x-2+4x=2x+8 | | -6x+16=-2x-12 | | -2x+-3=-17 | | 11x-14=4x+21 | | -220=4(1+8x) | | -27=3(x-7) | | -6x-1=-7 | | 4-n=28 | | 5-2x=20x-325 | | 2+2x=26 |

Equations solver categories