2x^4-9x^2+4x^2-18=

Simple and best practice solution for 2x^4-9x^2+4x^2-18= 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 2x^4-9x^2+4x^2-18= equation:


Simplifying
2x4 + -9x2 + 4x2 + -18 = 0

Reorder the terms:
-18 + -9x2 + 4x2 + 2x4 = 0

Combine like terms: -9x2 + 4x2 = -5x2
-18 + -5x2 + 2x4 = 0

Solving
-18 + -5x2 + 2x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(-2 + -1x2)(9 + -2x2) = 0

Subproblem 1

Set the factor '(-2 + -1x2)' equal to zero and attempt to solve: Simplifying -2 + -1x2 = 0 Solving -2 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x2 = 0 + 2 -1x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -1x2 = 2 Divide each side by '-1'. x2 = -2 Simplifying x2 = -2 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(9 + -2x2)' equal to zero and attempt to solve: Simplifying 9 + -2x2 = 0 Solving 9 + -2x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -2x2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2x2 = 0 + -9 -2x2 = 0 + -9 Combine like terms: 0 + -9 = -9 -2x2 = -9 Divide each side by '-2'. x2 = 4.5 Simplifying x2 = 4.5 Take the square root of each side: x = {-2.121320344, 2.121320344}

Solution

x = {-2.121320344, 2.121320344}

See similar equations:

| 13x+26=-26 | | 2(p-4)+5(q+6)= | | 2x-19+139=180 | | 12x^2-46x+15=0 | | -7x-20=-41 | | 36-x^2y^2= | | 20=265x | | x^3-2x^2+3x-4=0 | | 0=x^4+x^2-12 | | 11x+17y=120 | | h+-7=28 | | 18n=21 | | x/7-2=1 | | 110/13 | | 4x?2+4=6 | | x+160550+x=315050 | | 114/13 | | 4n^2-n-390=0 | | 315050-160550= | | 81x^2-90xy+25y^2= | | 0=x*2-2x-24 | | -7=k-992/-1 | | 6(2y-1)=15 | | g/7-117=-111 | | 3x+6+24=180 | | 117-9r=27 | | 3x+6+24=90 | | 118-7c=97 | | 2w+3=w+8 | | 26t-31=125 | | 10+(-10)+2= | | h+(h-5)+(2h+4)= |

Equations solver categories