f(x)=x^4-21x^2+80

Simple and best practice solution for f(x)=x^4-21x^2+80 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 f(x)=x^4-21x^2+80 equation: 


Simplifying
f(x) = x4 + -21x2 + 80

Multiply f * x
fx = x4 + -21x2 + 80

Reorder the terms:
fx = 80 + -21x2 + x4

Solving
fx = 80 + -21x2 + x4

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 80x-1 + -21x + x3

Simplifying
f = 80x-1 + -21x + x3

See similar equations:

| -7(1-4m)=5(2y+8) | | 9/10z=-9 | | x/x^2 | | 3b-4=8 | | 1/8d=-1 | | (4x+4)=(6x+2) | | 4y-8+6y=-4 | | -3/7n=-21 | | 3(2-y)-4=4-5(y+1) | | h-3=-4 | | -7/6r=28 | | x-1/2-x-2/4-x-4/8+1=5(3-x)/4+2x | | 2x^2+3x-120=0 | | 2x^2+3x(-119)=0 | | 20x-16=44 | | 1/3=5/y-3 | | 3(5q+3)+8=9+4q | | (3x+1)=(5x-3) | | n/3-2x=4 | | 3r^2-46r+120=0 | | 1/x-3+1/x+3=6/x^2-9 | | u^3=-2 | | x-0.10x=695000 | | (8x+3)=(9x-1) | | x-0.10x=700000 | | (18x-25)=(x+825) | | 24x^2+120x-185=0 | | (5b-2)=(2b+1) | | 4x+=3 | | (4x+23)=39 | | (QD)=110-5P | | (2x+1)=(x+8) |

Equations solver categories