If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(3)=4(3)-1
We move all terms to the left:
f(3)-(4(3)-1)=0
We add all the numbers together, and all the variables
f3-42=0
We add all the numbers together, and all the variables
f^3-42=0
We do not support efpression: f^3
| H(t)=-5t2+40t | | 2x+2=12+x | | 7-6x-2=15+4x-10 | | 30(1/2+v)=10 | | x*x=x*4 | | 4x-4=3x+52 | | .5(4x-8)=1/3(3x+9) | | x×x=x×4 | | -2x-1=-3x+5 | | -5-3a=2a-1-8-11 | | (6y+5)(5y+17)=0 | | 2.2(x+1(=1.1 | | 2x+15=159 | | -10+3x=-2x+5 | | 2v-9+4v=9v+39 | | u-4.7=23.8 | | 7-7x-3=29+4x-11 | | 4x-10=1x+3x-2x | | 37q+14=27+24q | | 15x+50=6x+105 | | 6t+11=8t−13 | | u-4.7=26.8 | | 4x^2+100x-60=0 | | 106/x+10=32 | | -413.4=-15.9a | | 2.5x+.25=1.75+x | | 5/2x+1/4=7/4+x | | 5x+60=12 | | 5w^2=14w+8 | | 106/10x=32 | | 5/2x+1/4=7/4+4 | | 1a-6=8-(9+1a) |