If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x < 0
x < 0
x in <0:+oo)
9*x^(7/2)-(16*x) = 0
9*x^(7/2)-16*x = 0
9*x^(7/2)-16*x = 0
x*(9*x^(5/2)-16) = 0
9*x^(5/2) = 16 // : 9
x^(5/2) = 16/9
x^(5/2) = 16/9 // ^ 2
x^5 = 256/81 // ^ 1/5
x = (256/81)^(1/5)
x = 0
x = 0
x in { (256/81)^(1/5), 0 }
| x+1+5+1=x | | -125+12x=145-6x | | 2x-15-3x=1 | | (-x-4)/(x^2-x-20) | | .66(6y-9)=-34 | | 4x^4+8x^3=32x^2 | | 4(-2-3x)=-80 | | 5-6x=5x+16 | | -y+5-2y=-4 | | 7/12=49/84 | | x/25=22 | | Ln(x^2-9/x^8)^4 | | 10g-15=5(2g+4) | | -2d-9=d | | 6+2f=10 | | 6-3k=8-7k | | C=24+6n | | p*p= | | (2/3)n=-22 | | x(2x-9)=1 | | (2/3)n=22 | | 3x+7+4x=6x+11 | | 3x^2+72x+9=0 | | 245=5(1-8n) | | 2y+5=3y-4 | | -2x+-1y+1=0 | | 3x+5x=x+8 | | (x^2-3)(x^2-5)=0 | | -6(4x+7)=198 | | 7x-4x+x-3=-7 | | 2(3n+6)=41 | | 16-81y^4=0 |