x^2-175=x

Simple and best practice solution for x^2-175=x 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^2-175=x equation:


Simplifying
x2 + -175 = x

Reorder the terms:
-175 + x2 = x

Solving
-175 + x2 = x

Solving for variable 'x'.

Reorder the terms:
-175 + -1x + x2 = x + -1x

Combine like terms: x + -1x = 0
-175 + -1x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '175' to each side of the equation.
-175 + -1x + 175 + x2 = 0 + 175

Reorder the terms:
-175 + 175 + -1x + x2 = 0 + 175

Combine like terms: -175 + 175 = 0
0 + -1x + x2 = 0 + 175
-1x + x2 = 0 + 175

Combine like terms: 0 + 175 = 175
-1x + x2 = 175

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 175 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 175 + 0.25

Combine like terms: 175 + 0.25 = 175.25
0.25 + -1x + x2 = 175.25

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 175.25

Calculate the square root of the right side: 13.238202295

Break this problem into two subproblems by setting 
(x + -0.5) equal to 13.238202295 and -13.238202295.

Subproblem 1

x + -0.5 = 13.238202295 Simplifying x + -0.5 = 13.238202295 Reorder the terms: -0.5 + x = 13.238202295 Solving -0.5 + x = 13.238202295 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 13.238202295 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 13.238202295 + 0.5 x = 13.238202295 + 0.5 Combine like terms: 13.238202295 + 0.5 = 13.738202295 x = 13.738202295 Simplifying x = 13.738202295

Subproblem 2

x + -0.5 = -13.238202295 Simplifying x + -0.5 = -13.238202295 Reorder the terms: -0.5 + x = -13.238202295 Solving -0.5 + x = -13.238202295 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -13.238202295 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -13.238202295 + 0.5 x = -13.238202295 + 0.5 Combine like terms: -13.238202295 + 0.5 = -12.738202295 x = -12.738202295 Simplifying x = -12.738202295

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.738202295, -12.738202295}

See similar equations:

| 5(4+2x)=-(8x-12) | | X/-5-2.5=3.2 | | 6x^2-12x-90=10 | | 22x-14+18x=30x+6 | | x^2-9xy+8y^2= | | x=24.4-0.8y | | 3b^2+7b+3=0 | | -5.47+-k=-14.19 | | -2=-(v+8) | | 0.11y+0.06(y+2000)=630 | | a^2=25/21 | | 30(m-4)=10(m+2) | | 7d-13=71 | | (2m+3)(m-1)=0 | | 6n+35=53 | | 0=x^2-3x-9 | | 9c-35=46 | | 0=-6(x-7) | | x+1=-2x+11 | | -z+9y=6 | | 2(x+4)+2=9x+2(x+2) | | 12x+4=10x-16 | | 9y-z=6 | | 36=.06x+x | | 7x-4=6x+9 | | 5t-16=59 | | 3/5-n=1/10 | | 1,250/3 | | 4g-25=3 | | 0=-1A+5B | | 8y-23=-9+6y | | 23(2.2)= |

Equations solver categories