If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(3)=3(3)-5
We move all terms to the left:
f(3)-(3(3)-5)=0
We add all the numbers together, and all the variables
f3-28=0
We add all the numbers together, and all the variables
f^3-28=0
We do not support efpression: f^3
| -7.3=n/3 | | 52+(4x+6)=90 | | x2−8x−40=8 | | -5(x+6)=120 | | x²+32x+60=0 | | 6x+13=5x+8 | | f(3)=3(3)–5 | | 34=1/2(3x-2)-(x-6) | | r+18=25 | | 0.7x-1.1=-9.5 | | b2=4.5 | | 5x+14+42+57=180 | | -3=x-15.7 | | 86+(4x+2)=180 | | 47=-4m-9 | | 10^{c}=1000 | | 12p=7p+85 | | 7=55+x | | 12-7x+14=x+2 | | (6x+3)+(9x+12)+90=180 | | 6x+3+9x+12+90=180 | | 42^x=9^x+1 | | 19=7b+3 | | 10-2b=6-4(b-3) | | x-12.75+9=41.25 | | 74x−0.6=3.6 | | `6x+15=45` | | 60/90=6/x | | 25(12x+5)−45=12x−1+110x | | f10+30=32 | | 32=f10+ 30 | | -4+2y/3=12 |