3x^4+5x^2-8=0

Simple and best practice solution for 3x^4+5x^2-8=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 3x^4+5x^2-8=0 equation:


Simplifying
3x4 + 5x2 + -8 = 0

Reorder the terms:
-8 + 5x2 + 3x4 = 0

Solving
-8 + 5x2 + 3x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(-8 + -3x2)(1 + -1x2) = 0

Factor a difference between two squares.
(-8 + -3x2)((1 + x)(1 + -1x)) = 0

Subproblem 1

Set the factor '(-8 + -3x2)' equal to zero and attempt to solve: Simplifying -8 + -3x2 = 0 Solving -8 + -3x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -3x2 = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -3x2 = 0 + 8 -3x2 = 0 + 8 Combine like terms: 0 + 8 = 8 -3x2 = 8 Divide each side by '-3'. x2 = -2.666666667 Simplifying x2 = -2.666666667 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 '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 3

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {-1, 1}

See similar equations:

| -2x^2-2=-74 | | (3x+6y)2= | | 7x+12=y | | (k+1)*(3k-1)= | | 2x^2-10x+37=0 | | 1/9(9x-7)=-2/5-8/5 | | 3-5x=8y | | 7x-5=29-35x | | 4y+90+60=180 | | 8(-3.6x-6.9)=5.5 | | 4(m+5)=2(m-1) | | 15x+11=10y | | 6(6x+8)=0 | | 10x-7=-7 | | 7y-3=5y-9 | | (-x-3)(-x-3)=0 | | 8(-3.6x)-1(-6.9)=5.5 | | Y=9-24x | | 9x-2=8(x+8)-9 | | 4y+90+1=180 | | 4y+60+60+2+1+90=360 | | R=4u^2v | | 6n/4=6/7 | | 4y+60+60+2+1+90=180 | | 87-3= | | -7y-3=12x | | (3/2)y-1=-(4/5)y-(4/5) | | x^2+y^2=12x-11 | | 2x=45-5 | | 5/8p=-20/3 | | ln(e^7x)=2659.25 | | (-5x+5y)(25x^2+25xy+25y^2)=0 |

Equations solver categories