If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
9*x^4+(7/(-9))*x^4-(6*x^3) = 0
9*x^4+(7/(-9))*x^4-6*x^3 = 0
74/9*x^4-6*x^3 = 0
2*x^3*(37/9*x-3) = 0
37/9*x-3 = 0 // + 3
37/9*x = 3 // : 37/9
x = 3/37/9
x = 27/37
2*x^3 = 0
2*x^3 = 0 // : 2
x^3 = 0
x = 0
x in { 27/37, 0 }
| 2y+3=14 | | 15b^2+6b-3= | | 5x^2=3x+2 | | 7x-5=22-2x | | x^2+5x+6=09 | | -7tx=b-3y | | 108z+3-64z+5= | | 25x^2=30x-9 | | 0=3x^2-17x+20 | | -3x^6+6x^6= | | Z-2(1-Z)-2Z= | | 6x^8+4x^8= | | 3(Y-2)-2(Y-6)= | | -15=x^2+8x | | -1/7+Y=5/7 | | 10x^8+3x^6= | | 6=7b-pb | | 50c+349-200=400 | | 28x^2-18x+72=0 | | -2v-22=-8(v-1) | | -2(u+6)=-8u+48 | | -(x+8)(x-9)=-52 | | 9x+12=-6(x+3) | | 22=5(w+6)+3w | | 6(x-4)-2x=-4 | | -10=5(y+8)+5y | | 18+4(3G-7)=-70 | | 64in^2=12.6(h) | | 3x+53=6x+8 | | -5.24=w/8+5 | | 28.8-4v=3.2 | | -14.6=-2.1+x/5 |