x^4+18x^2-32=0

Simple and best practice solution for x^4+18x^2-32=0 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^4+18x^2-32=0 equation:


Simplifying
x4 + 18x2 + -32 = 0

Reorder the terms:
-32 + 18x2 + x4 = 0

Solving
-32 + 18x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '32' to each side of the equation.
-32 + 18x2 + 32 + x4 = 0 + 32

Reorder the terms:
-32 + 32 + 18x2 + x4 = 0 + 32

Combine like terms: -32 + 32 = 0
0 + 18x2 + x4 = 0 + 32
18x2 + x4 = 0 + 32

Combine like terms: 0 + 32 = 32
18x2 + x4 = 32

The x term is 18x2.  Take half its coefficient (9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
18x2 + 81 + x4 = 32 + 81

Reorder the terms:
81 + 18x2 + x4 = 32 + 81

Combine like terms: 32 + 81 = 113
81 + 18x2 + x4 = 113

Factor a perfect square on the left side:
(x2 + 9)(x2 + 9) = 113

Calculate the square root of the right side: 10.630145813

Break this problem into two subproblems by setting 
(x2 + 9) equal to 10.630145813 and -10.630145813.

Subproblem 1

x2 + 9 = 10.630145813 Simplifying x2 + 9 = 10.630145813 Reorder the terms: 9 + x2 = 10.630145813 Solving 9 + x2 = 10.630145813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x2 = 10.630145813 + -9 Combine like terms: 9 + -9 = 0 0 + x2 = 10.630145813 + -9 x2 = 10.630145813 + -9 Combine like terms: 10.630145813 + -9 = 1.630145813 x2 = 1.630145813 Simplifying x2 = 1.630145813 Take the square root of each side: x = {-1.276771637, 1.276771637}

Subproblem 2

x2 + 9 = -10.630145813 Simplifying x2 + 9 = -10.630145813 Reorder the terms: 9 + x2 = -10.630145813 Solving 9 + x2 = -10.630145813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x2 = -10.630145813 + -9 Combine like terms: 9 + -9 = 0 0 + x2 = -10.630145813 + -9 x2 = -10.630145813 + -9 Combine like terms: -10.630145813 + -9 = -19.630145813 x2 = -19.630145813 Simplifying x2 = -19.630145813 Reorder the terms: 19.630145813 + x2 = -19.630145813 + 19.630145813 Combine like terms: -19.630145813 + 19.630145813 = 0.000000000 19.630145813 + 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:

| 11x+x^3-5x^2=0 | | x^4+4x^2+32=0 | | 5(3a-6)-5a=-12+a | | p-6+5+2=p+1 | | 8v+2=-2(6v-1) | | 1-5k+4k=k+1 | | -10x-4=-7-6x | | 4x-4=36 | | 25+x=-8(3-7x)-6 | | x^2-5x=16 | | 96=-6(-4-3*4) | | 33-10x=17+6x | | -21+3n=8(n-7) | | 3z+2z= | | 30+n=5(-8+6) | | (-2)*(-3)*5*(-1)*(-2)= | | 7x+10=2x+15 | | 2*(-3)*(-5)*1= | | .5z+12=36 | | -5(5+3r)=11-6r | | 2*(-3)*(-5)*(-1)*2= | | 8x+4=4x+20 | | 18/4+764417= | | (5*y*6)/3=0 | | -7(x+3)+5x=10 | | X^3-4x^2+9x=0 | | -5(5-5x)=-25+4x | | (5u-2)= | | 3-12r=-10-r | | 5*y*6=0 | | -5p-7=(3p-3)-4p | | -6(2x+7)=16 |

Equations solver categories