20s^4-41s^2+20=0

Simple and best practice solution for 20s^4-41s^2+20=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 20s^4-41s^2+20=0 equation:


Simplifying
20s4 + -41s2 + 20 = 0

Reorder the terms:
20 + -41s2 + 20s4 = 0

Solving
20 + -41s2 + 20s4 = 0

Solving for variable 's'.

Factor a trinomial.
(4 + -5s2)(5 + -4s2) = 0

Subproblem 1

Set the factor '(4 + -5s2)' equal to zero and attempt to solve: Simplifying 4 + -5s2 = 0 Solving 4 + -5s2 = 0 Move all terms containing s to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -5s2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5s2 = 0 + -4 -5s2 = 0 + -4 Combine like terms: 0 + -4 = -4 -5s2 = -4 Divide each side by '-5'. s2 = 0.8 Simplifying s2 = 0.8 Take the square root of each side: s = {-0.894427191, 0.894427191}

Subproblem 2

Set the factor '(5 + -4s2)' equal to zero and attempt to solve: Simplifying 5 + -4s2 = 0 Solving 5 + -4s2 = 0 Move all terms containing s to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -4s2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4s2 = 0 + -5 -4s2 = 0 + -5 Combine like terms: 0 + -5 = -5 -4s2 = -5 Divide each side by '-4'. s2 = 1.25 Simplifying s2 = 1.25 Take the square root of each side: s = {-1.118033989, 1.118033989}

Solution

s = {-0.894427191, 0.894427191, -1.118033989, 1.118033989}

See similar equations:

| 1.50x+3.50(487-x)=930.50 | | 10x+20(41-x)=580 | | .25x+.50(51-x)=17.00 | | .25x+.50x=22.75 | | x+10x+25(37-2x)=340 | | 6y+6y+6y+8y= | | 11y-33= | | -6(6xy-12)+2(4xy+6)= | | 2X+X(-5)=12 | | 12x+10=7x-1 | | Y=-3(6) | | (3x^2+x-1)(4x+5)=0 | | y+2=-4+9 | | -12n+16=-10-2 | | -4+11=12x-2-11x | | 22(3y+1)= | | 9-x+3x-3-8x= | | 3(2x+7y)=42 | | 4x^3-20x^2+24x= | | 6+5X=-4 | | X+6*5=-4 | | -4(7n-5)+4n= | | 9H-5=40 | | 6.25H+42.25=261 | | 6+1.29n=24 | | 37(x-3)= | | 37km*(x-3)km= | | 6x-6=4x+4 | | 0.75m+3=8 | | 15c^2-2d^2-7cd=0 | | 15c^2-2d-7cd=0 | | 9x^2+5x+7=0 |

Equations solver categories