12x+x^2=32

Simple and best practice solution for 12x+x^2=32 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 12x+x^2=32 equation:


Simplifying
12x + x2 = 32

Solving
12x + x2 = 32

Solving for variable 'x'.

Reorder the terms:
-32 + 12x + x2 = 32 + -32

Combine like terms: 32 + -32 = 0
-32 + 12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '32' to each side of the equation.
-32 + 12x + 32 + x2 = 0 + 32

Reorder the terms:
-32 + 32 + 12x + x2 = 0 + 32

Combine like terms: -32 + 32 = 0
0 + 12x + x2 = 0 + 32
12x + x2 = 0 + 32

Combine like terms: 0 + 32 = 32
12x + x2 = 32

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = 32 + 36

Reorder the terms:
36 + 12x + x2 = 32 + 36

Combine like terms: 32 + 36 = 68
36 + 12x + x2 = 68

Factor a perfect square on the left side:
(x + 6)(x + 6) = 68

Calculate the square root of the right side: 8.246211251

Break this problem into two subproblems by setting 
(x + 6) equal to 8.246211251 and -8.246211251.

Subproblem 1

x + 6 = 8.246211251 Simplifying x + 6 = 8.246211251 Reorder the terms: 6 + x = 8.246211251 Solving 6 + x = 8.246211251 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 8.246211251 + -6 Combine like terms: 6 + -6 = 0 0 + x = 8.246211251 + -6 x = 8.246211251 + -6 Combine like terms: 8.246211251 + -6 = 2.246211251 x = 2.246211251 Simplifying x = 2.246211251

Subproblem 2

x + 6 = -8.246211251 Simplifying x + 6 = -8.246211251 Reorder the terms: 6 + x = -8.246211251 Solving 6 + x = -8.246211251 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = -8.246211251 + -6 Combine like terms: 6 + -6 = 0 0 + x = -8.246211251 + -6 x = -8.246211251 + -6 Combine like terms: -8.246211251 + -6 = -14.246211251 x = -14.246211251 Simplifying x = -14.246211251

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.246211251, -14.246211251}

See similar equations:

| 55+3t=121 | | 10(-3z+2)-4(-8z+7)= | | 4x-4=x-2 | | 3x+3=-2x | | 3(a-7)=18 | | x^4=40 | | 5y=8x-3 | | 2x^(2/3)-3x^(1/3)-2=0 | | (u+1)*9=54 | | 2(x-1)+8=6x-4(-1+x) | | (u+1)*9=52 | | 5+2(x-1)=1 | | 8-3(x+4)=2x+(x+2) | | (2a-6)(4a^2+12a+36)= | | (q-3)*4=32 | | 2x+5-x=5-2x+6 | | y+2n=9 | | 4x^2-160=0 | | 0.3a-4=0.8-0.2a | | 5c+11c=-16 | | (2-4x)-(-3-4x)+4=-(-3+6x)+x | | 5m+-3m-7m=10 | | 5/6x=55 | | 20=-4(x+2)+2x | | findxy=x^2-4x-12 | | 4/3(20-x)-x=10 | | 3.5(3.5)+n=73.5 | | 12j-4j+4j-10j+2j=20 | | 12x^5-18x^4= | | -7-5p=-87 | | 1/5*1/6(x-6)=6x | | -7w(-3w^2-1)+(-2w)(8w^2+6)= |

Equations solver categories