4w^4-100w^2+25=0

Simple and best practice solution for 4w^4-100w^2+25=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 4w^4-100w^2+25=0 equation:


Simplifying
4w4 + -100w2 + 25 = 0

Reorder the terms:
25 + -100w2 + 4w4 = 0

Solving
25 + -100w2 + 4w4 = 0

Solving for variable 'w'.

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
6.25 + -25w2 + w4 = 0

Move the constant term to the right:

Add '-6.25' to each side of the equation.
6.25 + -25w2 + -6.25 + w4 = 0 + -6.25

Reorder the terms:
6.25 + -6.25 + -25w2 + w4 = 0 + -6.25

Combine like terms: 6.25 + -6.25 = 0.00
0.00 + -25w2 + w4 = 0 + -6.25
-25w2 + w4 = 0 + -6.25

Combine like terms: 0 + -6.25 = -6.25
-25w2 + w4 = -6.25

The w term is -25w2.  Take half its coefficient (-12.5).
Square it (156.25) and add it to both sides.

Add '156.25' to each side of the equation.
-25w2 + 156.25 + w4 = -6.25 + 156.25

Reorder the terms:
156.25 + -25w2 + w4 = -6.25 + 156.25

Combine like terms: -6.25 + 156.25 = 150
156.25 + -25w2 + w4 = 150

Factor a perfect square on the left side:
(w2 + -12.5)(w2 + -12.5) = 150

Calculate the square root of the right side: 12.247448714

Break this problem into two subproblems by setting 
(w2 + -12.5) equal to 12.247448714 and -12.247448714.

Subproblem 1

w2 + -12.5 = 12.247448714 Simplifying w2 + -12.5 = 12.247448714 Reorder the terms: -12.5 + w2 = 12.247448714 Solving -12.5 + w2 = 12.247448714 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + w2 = 12.247448714 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + w2 = 12.247448714 + 12.5 w2 = 12.247448714 + 12.5 Combine like terms: 12.247448714 + 12.5 = 24.747448714 w2 = 24.747448714 Simplifying w2 = 24.747448714 Take the square root of each side: w = {-4.974680765, 4.974680765}

Subproblem 2

w2 + -12.5 = -12.247448714 Simplifying w2 + -12.5 = -12.247448714 Reorder the terms: -12.5 + w2 = -12.247448714 Solving -12.5 + w2 = -12.247448714 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + w2 = -12.247448714 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + w2 = -12.247448714 + 12.5 w2 = -12.247448714 + 12.5 Combine like terms: -12.247448714 + 12.5 = 0.252551286 w2 = 0.252551286 Simplifying w2 = 0.252551286 Take the square root of each side: w = {-0.50254481, 0.50254481}

Solution

The solution to the problem is based on the solutions from the subproblems. w = {-4.974680765, 4.974680765, -0.50254481, 0.50254481}

See similar equations:

| -3/2(x+5)=1-x | | (p-12)x^2-2(p-12)x+2=0 | | ((2+x)/2)+((4x)/5)=(x-2)/3 | | (2+x)/2+4x/5=x-2/3 | | 6x^3+54x^2+120x= | | 2(x+3)=6x | | x^2-6y-39=0 | | 10*logx=30 | | 10logx=30 | | 5m-(3m/5) | | 4x-5y-(2x+3y)= | | 2m^2+9m+22= | | y=4.2168x^2-49.963x+242.92 | | 8x^3-6x^2+20x-15= | | 2X^3+8X^2+7X-3=0 | | 3c^2+4c+7=0 | | -4x^5+x^8= | | 3c^2-4c+5=0 | | 4y^2-29y+25= | | ax^2-(3a-1)(x-2)+2a=0 | | 15-2+8z=85 | | yx^2-3x-4y=0 | | 4y-44=52 | | y=-1.4x^2+20x+29 | | 2x-2-2x+22=12 | | z/4-2=44 | | y^2(x-3)+3y(x-3)-4(x-3)= | | 12+y-13=66 | | xy^2-3y-4x=0 | | 3x-19=44 | | x+8+5=16 | | z-15=13 |

Equations solver categories