If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f in (-oo:+oo)
f/12 = 0
1/12*f = 0 // : 1/12
f = 0
f = 0
| 1/3x-3(x-5)=5(x-9) | | 4-7x/2-2=x/8 | | A=2(6)(9)+2(10)(9)+(6)(10) | | (4x+9)+(3x-2)=28 | | 2s+3(5-2s)=47 | | 3x-(x-5)+6=x+9 | | 3n+16=4n+24 | | (6x+3)+(x+16)=180 | | Y=5(x+2)-2 | | 7.5+2.5x= | | 2x-9(x+8)=x+1 | | X+2x+4x=133 | | 2x-(8x+5)=8x-19 | | 3(x-2)-1=2 | | (X+7)2+20=0 | | 9x-15=6x+6 | | -6(x-3)=-2x+2 | | g/-912 | | D=125 | | (X+3)2-4=20 | | 4z+1-s=1+z | | 9x-15=6n+6 | | 5x+(x+96)=180 | | (Y+8)=3y | | 7(x+2)=4[x-(7-x)] | | 4y+2+2y=10-4y+12 | | V^2-5v-6/72-2v^2 | | 4(x+2)2+320= | | 5(x-2)-8=12 | | (X+8)2=50 | | 2x-2(x+1)=x+1 | | 5.75t+5=14.5t+12 |