x^2+12=16x

Simple and best practice solution for x^2+12=16x 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+12=16x equation:


Simplifying
x2 + 12 = 16x

Reorder the terms:
12 + x2 = 16x

Solving
12 + x2 = 16x

Solving for variable 'x'.

Reorder the terms:
12 + -16x + x2 = 16x + -16x

Combine like terms: 16x + -16x = 0
12 + -16x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + -16x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + -16x + x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -16x + x2 = 0 + -12
-16x + x2 = 0 + -12

Combine like terms: 0 + -12 = -12
-16x + x2 = -12

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = -12 + 64

Reorder the terms:
64 + -16x + x2 = -12 + 64

Combine like terms: -12 + 64 = 52
64 + -16x + x2 = 52

Factor a perfect square on the left side:
(x + -8)(x + -8) = 52

Calculate the square root of the right side: 7.211102551

Break this problem into two subproblems by setting 
(x + -8) equal to 7.211102551 and -7.211102551.

Subproblem 1

x + -8 = 7.211102551 Simplifying x + -8 = 7.211102551 Reorder the terms: -8 + x = 7.211102551 Solving -8 + x = 7.211102551 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 7.211102551 + 8 Combine like terms: -8 + 8 = 0 0 + x = 7.211102551 + 8 x = 7.211102551 + 8 Combine like terms: 7.211102551 + 8 = 15.211102551 x = 15.211102551 Simplifying x = 15.211102551

Subproblem 2

x + -8 = -7.211102551 Simplifying x + -8 = -7.211102551 Reorder the terms: -8 + x = -7.211102551 Solving -8 + x = -7.211102551 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = -7.211102551 + 8 Combine like terms: -8 + 8 = 0 0 + x = -7.211102551 + 8 x = -7.211102551 + 8 Combine like terms: -7.211102551 + 8 = 0.788897449 x = 0.788897449 Simplifying x = 0.788897449

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.211102551, 0.788897449}

See similar equations:

| 32-(5+z)=20 | | -z+12-2z=3 | | 4x-1=35 | | 6a(3a^2-4b^7)= | | 4+1=35 | | 4-3z+2(5.5)=9 | | 7(3-z)+2z=-9 | | x^16=0 | | (2x+8)(x-3)= | | (3-5i)(2+9i)+(7+2i)(7-2i)= | | 6-x=17-2x | | 2+-4=6 | | 64x*-4=0 | | 16y=176 | | m=6(p+q) | | m-5m-6m+9= | | 6x+6-5x=11 | | 5x+a=y | | 7.8x+2=165.8 | | 9+5x=2x+9 | | 2x+3y-x+2y= | | i(2+i)= | | 3x+20+5x-4=360 | | m+12=80 | | 6x-5=7(x-2)-x | | 3x+20=5x-4 | | 4y=-1x+97 | | 10-8x=2(5-4x) | | -3x+9=-2(x-3) | | 2(9)+3+4(9)+5(9)-8= | | 2r+8=5r-13 | | 3(2x+4)=2(2x-3) |

Equations solver categories