23x+x^2=12

Simple and best practice solution for 23x+x^2=12 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 23x+x^2=12 equation:


Simplifying
23x + x2 = 12

Solving
23x + x2 = 12

Solving for variable 'x'.

Reorder the terms:
-12 + 23x + x2 = 12 + -12

Combine like terms: 12 + -12 = 0
-12 + 23x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + 23x + 12 + x2 = 0 + 12

Reorder the terms:
-12 + 12 + 23x + x2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 23x + x2 = 0 + 12
23x + x2 = 0 + 12

Combine like terms: 0 + 12 = 12
23x + x2 = 12

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 = 12 + 132.25

Reorder the terms:
132.25 + 23x + x2 = 12 + 132.25

Combine like terms: 12 + 132.25 = 144.25
132.25 + 23x + x2 = 144.25

Factor a perfect square on the left side:
(x + 11.5)(x + 11.5) = 144.25

Calculate the square root of the right side: 12.010412149

Break this problem into two subproblems by setting 
(x + 11.5) equal to 12.010412149 and -12.010412149.

Subproblem 1

x + 11.5 = 12.010412149 Simplifying x + 11.5 = 12.010412149 Reorder the terms: 11.5 + x = 12.010412149 Solving 11.5 + x = 12.010412149 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 = 12.010412149 + -11.5 Combine like terms: 11.5 + -11.5 = 0.0 0.0 + x = 12.010412149 + -11.5 x = 12.010412149 + -11.5 Combine like terms: 12.010412149 + -11.5 = 0.510412149 x = 0.510412149 Simplifying x = 0.510412149

Subproblem 2

x + 11.5 = -12.010412149 Simplifying x + 11.5 = -12.010412149 Reorder the terms: 11.5 + x = -12.010412149 Solving 11.5 + x = -12.010412149 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 = -12.010412149 + -11.5 Combine like terms: 11.5 + -11.5 = 0.0 0.0 + x = -12.010412149 + -11.5 x = -12.010412149 + -11.5 Combine like terms: -12.010412149 + -11.5 = -23.510412149 x = -23.510412149 Simplifying x = -23.510412149

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.510412149, -23.510412149}

See similar equations:

| 2x+3=-2 | | .2=.07+x(.12) | | x+3-14x+11=3x-12-10x | | x/22+3.2=16 | | 30x+18/x=-48 | | n+23= | | x/27=35 | | 36-9x=45 | | x-36=30 | | 6a+3a-5a-b= | | x+29=12 | | x-3x-6=-x | | 12a^3+39a^2-36a= | | x+8x-2=3x | | y=1.2x-3.8 | | 100-15=2.5h | | Z/3=5/3 | | 22=3x+4 | | 50x=3 | | -48=6(a) | | 300(x)=5x-120 | | 1/6(x-20)=20 | | 5c-15=2c+7 | | x-(5/6)=4x+(1/8) | | 10x+21(x-2)=113 | | 1/x+3/x+2+6/8x+4 | | 13=m/-5 | | 7m=12 | | 15+.25=20+.05 | | 8+3k=4k-3 | | 0.3x-0.3(3-x)=0.6 | | 2x+17+x+5=97 |

Equations solver categories