x^2+14x-1920=0

Simple and best practice solution for x^2+14x-1920=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+14x-1920=0 equation:


Simplifying
x2 + 14x + -1920 = 0

Reorder the terms:
-1920 + 14x + x2 = 0

Solving
-1920 + 14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '1920' to each side of the equation.
-1920 + 14x + 1920 + x2 = 0 + 1920

Reorder the terms:
-1920 + 1920 + 14x + x2 = 0 + 1920

Combine like terms: -1920 + 1920 = 0
0 + 14x + x2 = 0 + 1920
14x + x2 = 0 + 1920

Combine like terms: 0 + 1920 = 1920
14x + x2 = 1920

The x term is 14x.  Take half its coefficient (7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
14x + 49 + x2 = 1920 + 49

Reorder the terms:
49 + 14x + x2 = 1920 + 49

Combine like terms: 1920 + 49 = 1969
49 + 14x + x2 = 1969

Factor a perfect square on the left side:
(x + 7)(x + 7) = 1969

Calculate the square root of the right side: 44.373415465

Break this problem into two subproblems by setting 
(x + 7) equal to 44.373415465 and -44.373415465.

Subproblem 1

x + 7 = 44.373415465 Simplifying x + 7 = 44.373415465 Reorder the terms: 7 + x = 44.373415465 Solving 7 + x = 44.373415465 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 44.373415465 + -7 Combine like terms: 7 + -7 = 0 0 + x = 44.373415465 + -7 x = 44.373415465 + -7 Combine like terms: 44.373415465 + -7 = 37.373415465 x = 37.373415465 Simplifying x = 37.373415465

Subproblem 2

x + 7 = -44.373415465 Simplifying x + 7 = -44.373415465 Reorder the terms: 7 + x = -44.373415465 Solving 7 + x = -44.373415465 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = -44.373415465 + -7 Combine like terms: 7 + -7 = 0 0 + x = -44.373415465 + -7 x = -44.373415465 + -7 Combine like terms: -44.373415465 + -7 = -51.373415465 x = -51.373415465 Simplifying x = -51.373415465

Solution

The solution to the problem is based on the solutions from the subproblems. x = {37.373415465, -51.373415465}

See similar equations:

| 26x-14=18x | | -2+2=3(x-2) | | -6=9-3y | | X^2+(x-1)(x-1)=1 | | 5x-7=8+3x | | 7/9=35/s | | 2+4x=11+y | | 9x+4=15-6x | | 4x+7=8y | | 2ax-3=9 | | 8(2x+3)=10x-6+4x | | Y=5(x+3) | | r^2-6r-r+6=0 | | 1.05=(-7)n | | 1.5t+7=-7 | | 4x-(3-5x)= | | 3z+4+5z-9= | | 4(1+6x)=-212 | | -3(2+4p)=-34-8p | | 1.5+7=-7 | | 9x-9=7x+2 | | 7-5x=3x+7 | | 34+10=-2 | | mg=3 | | 17-f=11 | | .5x-16=100 | | 2logx=3.3 | | 81.4x-1=9x+5 | | xa+xb=10 | | 12y^3-5y=2y | | 18m-1/4=158/8-2m | | 9x^2-8y^2+72x+64y=56 |

Equations solver categories