r^4-25=0

Simple and best practice solution for r^4-25=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 r^4-25=0 equation:


Simplifying
r4 + -25 = 0

Reorder the terms:
-25 + r4 = 0

Solving
-25 + r4 = 0

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '25' to each side of the equation.
-25 + 25 + r4 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + r4 = 0 + 25
r4 = 0 + 25

Combine like terms: 0 + 25 = 25
r4 = 25

Simplifying
r4 = 25

Reorder the terms:
-25 + r4 = 25 + -25

Combine like terms: 25 + -25 = 0
-25 + r4 = 0

Factor a difference between two squares.
(5 + r2)(-5 + r2) = 0

Subproblem 1

Set the factor '(5 + r2)' equal to zero and attempt to solve: Simplifying 5 + r2 = 0 Solving 5 + r2 = 0 Move all terms containing r to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + r2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + r2 = 0 + -5 r2 = 0 + -5 Combine like terms: 0 + -5 = -5 r2 = -5 Simplifying r2 = -5 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(-5 + r2)' equal to zero and attempt to solve: Simplifying -5 + r2 = 0 Solving -5 + r2 = 0 Move all terms containing r to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + r2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + r2 = 0 + 5 r2 = 0 + 5 Combine like terms: 0 + 5 = 5 r2 = 5 Simplifying r2 = 5 Take the square root of each side: r = {-2.236067978, 2.236067978}

Solution

r = {-2.236067978, 2.236067978}

See similar equations:

| -3(-4)(-1)(2)= | | 3(1+4x)=2(5x-3)+25 | | 8x+48+4x-32=232 | | -11r-2=-2y | | 7-3(8x-10)=85 | | 3x-11x= | | x(x+1)+1=x+(x+1) | | (2x-3)*(2x+3)-x+2=4x^2+15 | | 128w^2-98=0 | | =f-1(8) | | 3/4(5x+4) | | 6x-8=5+5x | | 16=-(4/3)x-4 | | 2x*2x+2x*3-3*2x-3*3-x-2=4x^2+15 | | f(8)=7+4*8-1 | | 6s^2=14s+12 | | 21+8c=45 | | 8.4-.96+y=5y | | x(x+1)=x+1+1 | | x+x+2x= | | f(t)=4+7t | | 49s^2-36= | | f(8)=4+7*8 | | 49s^2-36=0 | | 12y^2-13zy-4z^2=0 | | 32-9y=12y+54 | | 2x-6(-3x+10)=180 | | 7x+3x+x= | | 15c^2-22cd-5d^2=0 | | 8(9x+13)=536 | | (x+2)*x*2=198 | | 2x^2+16x=336 |

Equations solver categories