4x^2+860x+12000-118919=0

Simple and best practice solution for 4x^2+860x+12000-118919=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 4x^2+860x+12000-118919=0 equation:


Simplifying
4x2 + 860x + 12000 + -118919 = 0

Reorder the terms:
12000 + -118919 + 860x + 4x2 = 0

Combine like terms: 12000 + -118919 = -106919
-106919 + 860x + 4x2 = 0

Solving
-106919 + 860x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-26729.75 + 215x + x2 = 0

Move the constant term to the right:

Add '26729.75' to each side of the equation.
-26729.75 + 215x + 26729.75 + x2 = 0 + 26729.75

Reorder the terms:
-26729.75 + 26729.75 + 215x + x2 = 0 + 26729.75

Combine like terms: -26729.75 + 26729.75 = 0.00
0.00 + 215x + x2 = 0 + 26729.75
215x + x2 = 0 + 26729.75

Combine like terms: 0 + 26729.75 = 26729.75
215x + x2 = 26729.75

The x term is 215x.  Take half its coefficient (107.5).
Square it (11556.25) and add it to both sides.

Add '11556.25' to each side of the equation.
215x + 11556.25 + x2 = 26729.75 + 11556.25

Reorder the terms:
11556.25 + 215x + x2 = 26729.75 + 11556.25

Combine like terms: 26729.75 + 11556.25 = 38286
11556.25 + 215x + x2 = 38286

Factor a perfect square on the left side:
(x + 107.5)(x + 107.5) = 38286

Calculate the square root of the right side: 195.668086309

Break this problem into two subproblems by setting 
(x + 107.5) equal to 195.668086309 and -195.668086309.

Subproblem 1

x + 107.5 = 195.668086309 Simplifying x + 107.5 = 195.668086309 Reorder the terms: 107.5 + x = 195.668086309 Solving 107.5 + x = 195.668086309 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-107.5' to each side of the equation. 107.5 + -107.5 + x = 195.668086309 + -107.5 Combine like terms: 107.5 + -107.5 = 0.0 0.0 + x = 195.668086309 + -107.5 x = 195.668086309 + -107.5 Combine like terms: 195.668086309 + -107.5 = 88.168086309 x = 88.168086309 Simplifying x = 88.168086309

Subproblem 2

x + 107.5 = -195.668086309 Simplifying x + 107.5 = -195.668086309 Reorder the terms: 107.5 + x = -195.668086309 Solving 107.5 + x = -195.668086309 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-107.5' to each side of the equation. 107.5 + -107.5 + x = -195.668086309 + -107.5 Combine like terms: 107.5 + -107.5 = 0.0 0.0 + x = -195.668086309 + -107.5 x = -195.668086309 + -107.5 Combine like terms: -195.668086309 + -107.5 = -303.168086309 x = -303.168086309 Simplifying x = -303.168086309

Solution

The solution to the problem is based on the solutions from the subproblems. x = {88.168086309, -303.168086309}

See similar equations:

| (z^4/5)^3 | | 2k^8*3k^3=0 | | 2(3x-2y)=3y+3x | | 7a=11+a | | 2*(x-5)+6=8 | | 2x(x-5)+6=8 | | 2/6=2 | | 2×/6=2 | | 3b+(-5b-7)=0 | | 500/1200 | | -3+(2a-5)=0 | | 2y+6-3y=0 | | 7/8k-1/2=1/3 | | 15=5x(-3) | | p-9/4=3/4 | | 5+(3x+2)=0 | | 224x^5-404x^3+87.5x=0 | | 45/y=15/3 | | 6xsomething=72 | | (4x^4+8x^2+5x+5.5)(8x+1)(7x+1)=0 | | 3x^2-5x-30=0 | | 5+a+2=0 | | 8m*2m= | | 2x+4=-7x+8 | | -10x+7y+5y+20x=0 | | -4a+8b-9b+4a=0 | | F=18c+32 | | x+(x+2)+(x+4)=102 | | 8x+3y-5x+5y= | | x+(x+2)+(x+4)=402 | | 3y+(3+7y)= | | 16+2/3=34 |

Equations solver categories