x^2=56+23x

Simple and best practice solution for x^2=56+23x 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=56+23x equation:


Simplifying
x2 = 56 + 23x

Solving
x2 = 56 + 23x

Solving for variable 'x'.

Reorder the terms:
-56 + -23x + x2 = 56 + 23x + -56 + -23x

Reorder the terms:
-56 + -23x + x2 = 56 + -56 + 23x + -23x

Combine like terms: 56 + -56 = 0
-56 + -23x + x2 = 0 + 23x + -23x
-56 + -23x + x2 = 23x + -23x

Combine like terms: 23x + -23x = 0
-56 + -23x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '56' to each side of the equation.
-56 + -23x + 56 + x2 = 0 + 56

Reorder the terms:
-56 + 56 + -23x + x2 = 0 + 56

Combine like terms: -56 + 56 = 0
0 + -23x + x2 = 0 + 56
-23x + x2 = 0 + 56

Combine like terms: 0 + 56 = 56
-23x + x2 = 56

The x term is -23x.  Take half its coefficient (-11.5).
Square it (132.25) and add it to both sides.

Add '132.25' to each side of the equation.
-23x + 132.25 + x2 = 56 + 132.25

Reorder the terms:
132.25 + -23x + x2 = 56 + 132.25

Combine like terms: 56 + 132.25 = 188.25
132.25 + -23x + x2 = 188.25

Factor a perfect square on the left side:
(x + -11.5)(x + -11.5) = 188.25

Calculate the square root of the right side: 13.720422734

Break this problem into two subproblems by setting 
(x + -11.5) equal to 13.720422734 and -13.720422734.

Subproblem 1

x + -11.5 = 13.720422734 Simplifying x + -11.5 = 13.720422734 Reorder the terms: -11.5 + x = 13.720422734 Solving -11.5 + x = 13.720422734 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.5' to each side of the equation. -11.5 + 11.5 + x = 13.720422734 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + x = 13.720422734 + 11.5 x = 13.720422734 + 11.5 Combine like terms: 13.720422734 + 11.5 = 25.220422734 x = 25.220422734 Simplifying x = 25.220422734

Subproblem 2

x + -11.5 = -13.720422734 Simplifying x + -11.5 = -13.720422734 Reorder the terms: -11.5 + x = -13.720422734 Solving -11.5 + x = -13.720422734 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.5' to each side of the equation. -11.5 + 11.5 + x = -13.720422734 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + x = -13.720422734 + 11.5 x = -13.720422734 + 11.5 Combine like terms: -13.720422734 + 11.5 = -2.220422734 x = -2.220422734 Simplifying x = -2.220422734

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.220422734, -2.220422734}

See similar equations:

| 7m^2-84=0 | | (3-4x)/5-2=4-(5x-2)/3 | | 2x+17=33 | | y-64=-7/2(-0) | | Y=3x^2+10x+6 | | 18/21 | | 12/14 | | -t+2=4+5*t | | 2x+(7-3x)/4=x+1 | | 12/1418/21 | | 2/10/(3/8-5/6)^2 | | 6d-6w=2.40 | | d+w=3.10 | | 4(3m-2)=76 | | 7/9+x/2=3/2-x/18 | | 2x^2+31x-72=0 | | 4k-2=5k-4 | | 5y+16=61 | | 3(3x-2)=24 | | 11=5+(3/2)*x | | .25x+5=.35x+2 | | -15.4=-7.5k+55.2 | | x^2+xy=8 | | -15.4=7.5k+55.2 | | -15.4=7.5k+55.2 | | y=90x+220 | | 3-x=5-3 | | (x-4)/((x^2-10x+27)) | | (4t^2/5)=(3t/5)+(27/10) | | 45/b=12/23 | | 3=7a+6a+2 | | 18/b=24/31 |

Equations solver categories