y^4-100y^2+36=0

Simple and best practice solution for y^4-100y^2+36=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 y^4-100y^2+36=0 equation:


Simplifying
y4 + -100y2 + 36 = 0

Reorder the terms:
36 + -100y2 + y4 = 0

Solving
36 + -100y2 + y4 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-36' to each side of the equation.
36 + -100y2 + -36 + y4 = 0 + -36

Reorder the terms:
36 + -36 + -100y2 + y4 = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -100y2 + y4 = 0 + -36
-100y2 + y4 = 0 + -36

Combine like terms: 0 + -36 = -36
-100y2 + y4 = -36

The y term is -100y2.  Take half its coefficient (-50).
Square it (2500) and add it to both sides.

Add '2500' to each side of the equation.
-100y2 + 2500 + y4 = -36 + 2500

Reorder the terms:
2500 + -100y2 + y4 = -36 + 2500

Combine like terms: -36 + 2500 = 2464
2500 + -100y2 + y4 = 2464

Factor a perfect square on the left side:
(y2 + -50)(y2 + -50) = 2464

Calculate the square root of the right side: 49.638694584

Break this problem into two subproblems by setting 
(y2 + -50) equal to 49.638694584 and -49.638694584.

Subproblem 1

y2 + -50 = 49.638694584 Simplifying y2 + -50 = 49.638694584 Reorder the terms: -50 + y2 = 49.638694584 Solving -50 + y2 = 49.638694584 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + y2 = 49.638694584 + 50 Combine like terms: -50 + 50 = 0 0 + y2 = 49.638694584 + 50 y2 = 49.638694584 + 50 Combine like terms: 49.638694584 + 50 = 99.638694584 y2 = 99.638694584 Simplifying y2 = 99.638694584 Take the square root of each side: y = {-9.981918382, 9.981918382}

Subproblem 2

y2 + -50 = -49.638694584 Simplifying y2 + -50 = -49.638694584 Reorder the terms: -50 + y2 = -49.638694584 Solving -50 + y2 = -49.638694584 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + y2 = -49.638694584 + 50 Combine like terms: -50 + 50 = 0 0 + y2 = -49.638694584 + 50 y2 = -49.638694584 + 50 Combine like terms: -49.638694584 + 50 = 0.361305416 y2 = 0.361305416 Simplifying y2 = 0.361305416 Take the square root of each side: y = {-0.601086862, 0.601086862}

Solution

The solution to the problem is based on the solutions from the subproblems. y = {-9.981918382, 9.981918382, -0.601086862, 0.601086862}

See similar equations:

| f(5/3)=(3*(5/3)-5)(2*(5/3)-7)-(2*(5/3)-7)(5/3-4) | | 100x=1x*4x | | f(2)=(3*(2)-5)(2*(2)-7)-(2*(2)-7)(2-4) | | 3f=2e^3 | | 3*sinx-4*cosx=5/2 | | f(-1)=(3*(-1)-5)(2*(-1)-7)-(2*(-1)-7)(-1-4) | | f(3)=2e^3 | | 6x-(5x+3)=5(x-3)+2 | | 3x(x-4)=x+20 | | 3x(x-4)=x+29 | | x*x+2(m-1)x+(m+5)=0 | | (3*5/3-5)(2*5/3-7)-(2*5/3-7)(5/3-4) | | (3*5/3-5)(2*5/3-7) | | (3X5/3-5)(2X5/3-7) | | 8(2x-3)=8 | | a^3-x-a^2x=1+ax | | ln(x)=3.078 | | 8(x-48)=15-84x | | 2(x-9)=-9 | | (3^8)/(9^4) | | 1+2=x-7 | | 2/3x-1/3=3/4-x/4 | | 2x^2-100x-102=0 | | 0.1z=z+1 | | 5x+3-4=24 | | 0=7(z-1)+z | | 2(2d+3)=44 | | -(5+2x)=7+x | | 12=-4k+2m | | 2x-4=9+2x | | 11x-4x+6=6x+6 | | 4*x-2x(2x+y-4)= |

Equations solver categories