3x^4-7x^2+4=0

Simple and best practice solution for 3x^4-7x^2+4=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^4-7x^2+4=0 equation:


Simplifying
3x4 + -7x2 + 4 = 0

Reorder the terms:
4 + -7x2 + 3x4 = 0

Solving
4 + -7x2 + 3x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + -1x2)(4 + -3x2) = 0

Factor a difference between two squares.
((1 + x)(1 + -1x))(4 + -3x2) = 0

Subproblem 1

Set the factor '(4 + -3x2)' equal to zero and attempt to solve: Simplifying 4 + -3x2 = 0 Solving 4 + -3x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x2 = 0 + -4 -3x2 = 0 + -4 Combine like terms: 0 + -4 = -4 -3x2 = -4 Divide each side by '-3'. x2 = 1.333333333 Simplifying x2 = 1.333333333 Take the square root of each side: x = {-1.154700538, 1.154700538}

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 = {-1.154700538, 1.154700538, -1, 1}

See similar equations:

| -1/2(u)-1/3=-2/7 | | 0.51x-0.22x^2=0 | | y^2-y-15=0 | | 81=2y+7y | | 40x+32=592 | | 1n-8-1=7n-8 | | .5x+3=35 | | 30=7x-x | | 600x-4x^2=0 | | (8^3)^1/4 | | 13x=3x^2-10 | | 600x-0-4x^2=0 | | 6+x+9+x=35+x | | 43=2y+17 | | 2b^2-4b-16=0 | | d=(19.3)(40.53) | | Y+4=5y-8 | | 3x-(6x+8)=7 | | y=-4x^3+6x^2-1 | | X-0.25=40 | | 1/21*3 | | 4k^2+12k-16=0 | | cos(3x+10)=sin(2x-5) | | 7x+1=x+16 | | .66x=50000 | | (w-4)(2w+10)(w)-264=0 | | lx-10l=4 | | f(20000)=x^2 | | 3x+2(x-9)=8x+x-2 | | .66x=100000 | | 6x^2=3+7x | | 32=6v-1(2v+8) |

Equations solver categories