x^4+19x^2=88

Simple and best practice solution for x^4+19x^2=88 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+19x^2=88 equation:


Simplifying
x4 + 19x2 = 88

Reorder the terms:
19x2 + x4 = 88

Solving
19x2 + x4 = 88

Solving for variable 'x'.

Reorder the terms:
-88 + 19x2 + x4 = 88 + -88

Combine like terms: 88 + -88 = 0
-88 + 19x2 + x4 = 0

Begin completing the square.

Move the constant term to the right:

Add '88' to each side of the equation.
-88 + 19x2 + 88 + x4 = 0 + 88

Reorder the terms:
-88 + 88 + 19x2 + x4 = 0 + 88

Combine like terms: -88 + 88 = 0
0 + 19x2 + x4 = 0 + 88
19x2 + x4 = 0 + 88

Combine like terms: 0 + 88 = 88
19x2 + x4 = 88

The x term is 19x2.  Take half its coefficient (9.5).
Square it (90.25) and add it to both sides.

Add '90.25' to each side of the equation.
19x2 + 90.25 + x4 = 88 + 90.25

Reorder the terms:
90.25 + 19x2 + x4 = 88 + 90.25

Combine like terms: 88 + 90.25 = 178.25
90.25 + 19x2 + x4 = 178.25

Factor a perfect square on the left side:
(x2 + 9.5)(x2 + 9.5) = 178.25

Calculate the square root of the right side: 13.351029923

Break this problem into two subproblems by setting 
(x2 + 9.5) equal to 13.351029923 and -13.351029923.

Subproblem 1

x2 + 9.5 = 13.351029923 Simplifying x2 + 9.5 = 13.351029923 Reorder the terms: 9.5 + x2 = 13.351029923 Solving 9.5 + x2 = 13.351029923 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9.5' to each side of the equation. 9.5 + -9.5 + x2 = 13.351029923 + -9.5 Combine like terms: 9.5 + -9.5 = 0.0 0.0 + x2 = 13.351029923 + -9.5 x2 = 13.351029923 + -9.5 Combine like terms: 13.351029923 + -9.5 = 3.851029923 x2 = 3.851029923 Simplifying x2 = 3.851029923 Take the square root of each side: x = {-1.962404118, 1.962404118}

Subproblem 2

x2 + 9.5 = -13.351029923 Simplifying x2 + 9.5 = -13.351029923 Reorder the terms: 9.5 + x2 = -13.351029923 Solving 9.5 + x2 = -13.351029923 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9.5' to each side of the equation. 9.5 + -9.5 + x2 = -13.351029923 + -9.5 Combine like terms: 9.5 + -9.5 = 0.0 0.0 + x2 = -13.351029923 + -9.5 x2 = -13.351029923 + -9.5 Combine like terms: -13.351029923 + -9.5 = -22.851029923 x2 = -22.851029923 Simplifying x2 = -22.851029923 Reorder the terms: 22.851029923 + x2 = -22.851029923 + 22.851029923 Combine like terms: -22.851029923 + 22.851029923 = 0.000000000 22.851029923 + 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:

| 4(a-6)+6+2(a-6)= | | 2x-4(x-1)=-3x+9 | | 12/13x=220 | | a=1/2*12*8 | | (5y-1)(2+y)=0 | | S=71-10e/6 | | 3(x-5)=6-2(x-3) | | a=1/2*14*10 | | 0.8-0.6(3-x)=4.5 | | 3x-5+2x+3=x | | 9x+6x=13-8 | | 5p+4=9 | | 4u^3+3u^2+8u+6=0 | | 28=2x+2(x+2) | | y^6+2y^5+y^4=0 | | 24=10+b+8 | | a=1/2(25)(20) | | 29-11x=-6x-96 | | 3c^2-15cd+12d^2=0 | | -20r^2-16r+21=0 | | 6/50=9/x | | 4u^3+3u^2+8u+6=o | | x+x+2x=0 | | 0=12t-5t^2 | | 3c^2+9cd-84d^2=0 | | 8y^3+27x^3= | | 3y^2+9cd-84d^2=0 | | 3*2/3x-3*4 | | 2x^2+5x+50=0 | | r^3-7r-6=0 | | 14x+4-2x-9=x | | 2x*(6x-1)=(3x-2)*(4x+3) |

Equations solver categories