f(x)=x^2-x-20

Simple and best practice solution for f(x)=x^2-x-20 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^2-x-20 equation: 


Simplifying
f(x) = x2 + -1x + -20

Multiply f * x
fx = x2 + -1x + -20

Reorder the terms:
fx = -20 + -1x + x2

Solving
fx = -20 + -1x + x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -20x-1 + -1 + x

Simplifying
f = -20x-1 + -1 + x

Reorder the terms:
f = -1 + -20x-1 + x

See similar equations:

| 40+0.10x=112 | | 7/8*8 | | 200+0.08x=328 | | (6x^3+2x^2+2)(x+2)=0 | | 5x-4(3x+1)=10 | | 41=8-2y | | 5x+6x=8x | | -4x^2+5x=0 | | (2x+6)(x)=80 | | 5(x+1)+x=65 | | 9x-7i=(3x-7u) | | 9x+2+3x-7=4x+8x-8 | | -13+2x-7=22 | | 3x-7-3x=5 | | 46-(3y-6)=2(y+4) | | 3x-5-x=-9 | | x^2+6=80 | | =y^2-4y+6 | | -1=8-n | | -8log(b-7)=16 | | 2*3.14*9= | | 7+2x=3-3x | | 4=y*3 | | 3.14*81= | | -7+8=4 | | 2(2x-2)=6x-8 | | 3+5(x-2)=12 | | 194=-2x-4(-7*-16) | | 11=a+1 | | 7x^2+392=0 | | 194=-2-4(-7*-16) | | 9+3x=36 |

Equations solver categories