12x^2=x^4-36

Simple and best practice solution for 12x^2=x^4-36 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^2=x^4-36 equation:


Simplifying
12x2 = x4 + -36

Reorder the terms:
12x2 = -36 + x4

Solving
12x2 = -36 + x4

Solving for variable 'x'.

Reorder the terms:
36 + 12x2 + -1x4 = -36 + x4 + 36 + -1x4

Reorder the terms:
36 + 12x2 + -1x4 = -36 + 36 + x4 + -1x4

Combine like terms: -36 + 36 = 0
36 + 12x2 + -1x4 = 0 + x4 + -1x4
36 + 12x2 + -1x4 = x4 + -1x4

Combine like terms: x4 + -1x4 = 0
36 + 12x2 + -1x4 = 0

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

Divide each side by '-1'.
-36 + -12x2 + x4 = 0

Move the constant term to the right:

Add '36' to each side of the equation.
-36 + -12x2 + 36 + x4 = 0 + 36

Reorder the terms:
-36 + 36 + -12x2 + x4 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -12x2 + x4 = 0 + 36
-12x2 + x4 = 0 + 36

Combine like terms: 0 + 36 = 36
-12x2 + x4 = 36

The x term is -12x2.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x2 + 36 + x4 = 36 + 36

Reorder the terms:
36 + -12x2 + x4 = 36 + 36

Combine like terms: 36 + 36 = 72
36 + -12x2 + x4 = 72

Factor a perfect square on the left side:
(x2 + -6)(x2 + -6) = 72

Calculate the square root of the right side: 8.485281374

Break this problem into two subproblems by setting 
(x2 + -6) equal to 8.485281374 and -8.485281374.

Subproblem 1

x2 + -6 = 8.485281374 Simplifying x2 + -6 = 8.485281374 Reorder the terms: -6 + x2 = 8.485281374 Solving -6 + x2 = 8.485281374 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 + x2 = 8.485281374 + 6 Combine like terms: -6 + 6 = 0 0 + x2 = 8.485281374 + 6 x2 = 8.485281374 + 6 Combine like terms: 8.485281374 + 6 = 14.485281374 x2 = 14.485281374 Simplifying x2 = 14.485281374 Take the square root of each side: x = {-3.805953412, 3.805953412}

Subproblem 2

x2 + -6 = -8.485281374 Simplifying x2 + -6 = -8.485281374 Reorder the terms: -6 + x2 = -8.485281374 Solving -6 + x2 = -8.485281374 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 + x2 = -8.485281374 + 6 Combine like terms: -6 + 6 = 0 0 + x2 = -8.485281374 + 6 x2 = -8.485281374 + 6 Combine like terms: -8.485281374 + 6 = -2.485281374 x2 = -2.485281374 Simplifying x2 = -2.485281374 Reorder the terms: 2.485281374 + x2 = -2.485281374 + 2.485281374 Combine like terms: -2.485281374 + 2.485281374 = 0.000000000 2.485281374 + x2 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| x+2x+1=0 | | 21=1 | | .5(x+4)(x-6)=y | | x^2+7x+16=0 | | x^2+18x+6.4=0 | | 3x^2=2x+5 | | -2q-63=47 | | (9x-2)(x+4)=0 | | 93-4x=8x-21 | | 2x^2-4x=-7 | | -16x^2+50x=0 | | x^3+3x^2+x=-3 | | 213-5x=40x+23 | | 10-9x=103-30x | | x-2(2x+3)=12 | | -16t^2+225=0 | | -16t^2+4t=0 | | 4x^2+8x-140=0 | | 14p+p^2=51 | | z^2=18-7z | | B^2-4b-12=0 | | 24x=0 | | r^4-r^2=12 | | 2n^2-n-6=0 | | 2n^2-n-6=o | | d^2-3d=70 | | 3(w-7)-1=-2(-5w+2)-3w | | 9x+x^2=22 | | y^2+9=-10y | | p^2-19p-42=0 | | 4(3m-5)=6m-14 | | 9y^2+5y-4= |

Equations solver categories