f(x)=x^2-9

Simple and best practice solution for f(x)=x^2-9 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^2-9 equation: 


Simplifying
f(x) = x2 + -9

Multiply f * x
fx = x2 + -9

Reorder the terms:
fx = -9 + x2

Solving
fx = -9 + 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 = -9x-1 + x

Simplifying
f = -9x-1 + x

See similar equations:

| .25q=3w+3 | | p/3+3= 5 | | 6n+2=50 | | 28+x^2=(x-6)(x-2) | | .5(g-14)=11 | | .5(g-14)=1 | | 1/3n+5=19/3 | | -1/3a+9=7 | | 6+5/6k=16 | | 3w+7/9=185/99 | | 4t-4=-5 | | -3/5a+4/5=23/20 | | 6+7n=89/9 | | 11-3x=-176 | | 5(g-14)=1 | | 5+5/7x=40/7 | | 3-6n=-63 | | 2/5t-4/5=-17/30 | | 5a+2/3=-8/3 | | 3b+4=34 | | 7w+8=10/3 | | 2/3x+9=17 | | 2/5a+8=64/5 | | 2/5x-5=-143/30 | | 2/3n+8=58/7 | | 5w-6/7=-41/7 | | 1/3m-9=-163/18 | | -1/3b+3/5=44/15 | | 3/4+6t=15/4 | | 20-4z=5z-35 | | 4w+1=-1 | | .10(s+200)=55 |

Equations solver categories