f(x)=x^4-x^2-90

Simple and best practice solution for f(x)=x^4-x^2-90 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-x^2-90 equation: 


Simplifying
f(x) = x4 + -1x2 + -90

Multiply f * x
fx = x4 + -1x2 + -90

Reorder the terms:
fx = -90 + -1x2 + x4

Solving
fx = -90 + -1x2 + 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 = -90x-1 + -1x + x3

Simplifying
f = -90x-1 + -1x + x3

See similar equations:

| 5x-2(2x+5)=-12 | | R+17.1=-4.8 | | 4j+7=2j-17 | | F(x)=-x^4+6x^3-9x^2 | | 10x+4x+3+7=4x+3+9x | | 8y-55=y | | (7x+3)+(2x-3)=180 | | 12x+9=9x+4 | | (4x+5)(3x+4)=0 | | 7r+6+4r=30+3r | | (7x+3)=(2x-3) | | X/4(8)=2 | | 5(3-11x)=0 | | 7/5x-2-6/7x=-13 | | 10x+4x+3+7=4x+3+9 | | -12p+5(-8p-20)=14-19p+18 | | 6x+12+3x-3=180 | | M+98=-72 | | 200-2x+x=240 | | K+36=84 | | (24x+3)=(26x-1) | | 9x-5=-1 | | 4b+3=-12 | | Y-42=57 | | A-10=4+a | | 7f=48 | | 75x+350=1175 | | 120-40/4*6 | | 3v+24=5v+10 | | 5(3+11x)=0 | | 5z+30-2=92 | | 15b+50=230 |

Equations solver categories