168=x^2-4x+58

Simple and best practice solution for 168=x^2-4x+58 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 168=x^2-4x+58 equation:


Simplifying
168 = x2 + -4x + 58

Reorder the terms:
168 = 58 + -4x + x2

Solving
168 = 58 + -4x + x2

Solving for variable 'x'.

Combine like terms: 168 + -58 = 110
110 + 4x + -1x2 = 58 + -4x + x2 + -58 + 4x + -1x2

Reorder the terms:
110 + 4x + -1x2 = 58 + -58 + -4x + 4x + x2 + -1x2

Combine like terms: 58 + -58 = 0
110 + 4x + -1x2 = 0 + -4x + 4x + x2 + -1x2
110 + 4x + -1x2 = -4x + 4x + x2 + -1x2

Combine like terms: -4x + 4x = 0
110 + 4x + -1x2 = 0 + x2 + -1x2
110 + 4x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
110 + 4x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-110 + -4x + x2 = 0

Move the constant term to the right:

Add '110' to each side of the equation.
-110 + -4x + 110 + x2 = 0 + 110

Reorder the terms:
-110 + 110 + -4x + x2 = 0 + 110

Combine like terms: -110 + 110 = 0
0 + -4x + x2 = 0 + 110
-4x + x2 = 0 + 110

Combine like terms: 0 + 110 = 110
-4x + x2 = 110

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 = 110 + 4

Reorder the terms:
4 + -4x + x2 = 110 + 4

Combine like terms: 110 + 4 = 114
4 + -4x + x2 = 114

Factor a perfect square on the left side:
(x + -2)(x + -2) = 114

Calculate the square root of the right side: 10.677078252

Break this problem into two subproblems by setting 
(x + -2) equal to 10.677078252 and -10.677078252.

Subproblem 1

x + -2 = 10.677078252 Simplifying x + -2 = 10.677078252 Reorder the terms: -2 + x = 10.677078252 Solving -2 + x = 10.677078252 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 = 10.677078252 + 2 Combine like terms: -2 + 2 = 0 0 + x = 10.677078252 + 2 x = 10.677078252 + 2 Combine like terms: 10.677078252 + 2 = 12.677078252 x = 12.677078252 Simplifying x = 12.677078252

Subproblem 2

x + -2 = -10.677078252 Simplifying x + -2 = -10.677078252 Reorder the terms: -2 + x = -10.677078252 Solving -2 + x = -10.677078252 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 = -10.677078252 + 2 Combine like terms: -2 + 2 = 0 0 + x = -10.677078252 + 2 x = -10.677078252 + 2 Combine like terms: -10.677078252 + 2 = -8.677078252 x = -8.677078252 Simplifying x = -8.677078252

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.677078252, -8.677078252}

See similar equations:

| 5(48-2b)-2b=60 | | 2x=-6x+18 | | h(48)=69.09+2.24(48) | | 7a+2=2(a-5)-3 | | 4x-17x+35=0 | | 2x^2+84x= | | 2x^2+7=10-x^2 | | 15=14x+8x^2 | | 2x(2)-17x+35=0 | | -6x^2+7x-10=0 | | -84y-63=y-(-29) | | 7(27-6s)-3s=9 | | 5+3*a=8-5*a | | 5+(3a)=8-(5a) | | 2x^2+2x-15=x^2+10x+5 | | 6x^2-26x+15=0 | | y=cos(tan(2x)) | | 15x+11+13x+30= | | -62x-45=x-74 | | 8x^2-9-10x=-6x | | 3(x-6)+12=2x+7 | | y^2=16y-39 | | 4y+5=26 | | 3x^2+12x=96 | | 7x^2=4x^2+0.75 | | 6+4+(w+2)+4= | | 6x^2-6x-31=0 | | 5x+4(-3x-5)=6 | | -7-8n= | | y=x-.13x-6000 | | -3.5(2-3n)-2.5n= | | 6(5+3f)=-35 |

Equations solver categories