If it's not what You are looking for type in the equation solver your own equation and let us solve it.
21*v-((3/3)*v*v)-((7/21)*v)-3 = 0
4.1*cos(0.9*x)
a/6-7 = 3
0.4*sin((pi/3)*x)
2*j-((1/2)*j)-6 = 12
| 2ax-a=a+2 | | 5b*4=360 | | 2x^2+4x-94=4 | | x^2+9x-12=-13 | | 60x^2+87x-15= | | 21.3a=30+30 | | (8x+13)+(2x+7)=180 | | 21v-3/3v*v-7/21v-3 | | 6x=-6y+4 | | kx^2-28x=49 | | 3x+18=106 | | Y=23000+6*2 | | .75n+1-.25n=-100 | | a/6-7=3 | | -8n+-12n=100 | | -12w-9=4w^2 | | 10+5+c=5(c-4) | | s+4=c+5-t+y | | 3x+11=106 | | 7x+10=12x-10 | | 483.56*1/3= | | 5(10-3y)-2y=16 | | 2j-6-1/2j=12 | | 12x+1=15x-32 | | 252=(8+x)*(12+x) | | 20a+10=-40 | | (8-8i)^(1/3) | | 6-5x=4-4x | | -25n+7=107 | | 9x+3(x-4)=10(x-5) | | 7(y+3y)= | | Fx=x^3-4x^2+5x-12 |