5y^4-20y^2=0

Simple and best practice solution for 5y^4-20y^2=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 5y^4-20y^2=0 equation:


Simplifying
5y4 + -20y2 = 0

Reorder the terms:
-20y2 + 5y4 = 0

Solving
-20y2 + 5y4 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '5y2'.
5y2(-4 + y2) = 0

Factor a difference between two squares.
5y2((2 + y)(-2 + y)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'y2' equal to zero and attempt to solve: Simplifying y2 = 0 Solving y2 = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y2 = 0 Take the square root of each side: y = {0}

Subproblem 2

Set the factor '(2 + y)' equal to zero and attempt to solve: Simplifying 2 + y = 0 Solving 2 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + y = 0 + -2 y = 0 + -2 Combine like terms: 0 + -2 = -2 y = -2 Simplifying y = -2

Subproblem 3

Set the factor '(-2 + y)' equal to zero and attempt to solve: Simplifying -2 + y = 0 Solving -2 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + y = 0 + 2 Combine like terms: -2 + 2 = 0 0 + y = 0 + 2 y = 0 + 2 Combine like terms: 0 + 2 = 2 y = 2 Simplifying y = 2

Solution

y = {0, -2, 2}

See similar equations:

| 7x-x+3=45 | | -10+5-2t=-30 | | 2y+9-4y=-3 | | 10+6x+3x=91 | | -1/3h=7 | | 3c+2m=5000 | | 24+18y= | | (-12)(-6)= | | 2n-6n+7= | | -37-(-14)= | | (-23)+(-11)= | | x^2/3-20=x^1/3 | | 20a^2+5a-60a=0 | | 7x(-14)= | | -4x+1=-3 | | 2x^2-kx-12=x-4 | | 35n-17=10n+79 | | (9x^4)-(22x^4)=0 | | 3x^2+8x-384=0 | | 20-(35-50+100)= | | 21+2y-7=9y-10-3y | | 7a-3a=a | | 25=w/4-2 | | 5-2-7h+4h= | | 2x^2+kx+12=x-4 | | R+C=24 | | 25=w/4 | | x^2-5x-11=x^2-7-3 | | (2c-5)(6c+7)= | | 3m-2=m+54 | | 2t+3t-1=2t+8 | | -2+7x=20 |

Equations solver categories