If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x^3+78=2.584
We move all terms to the left:
3x^3+78-(2.584)=0
We do not support expression: x^3
| 15+6x-4=3+31-x | | 2x2-24=60 | | 2.3g=7.13 | | 240=16+l | | 58=2g | | 2/3x+1=55 | | 144=-3(8+7x) | | f(2)=500(1/5) | | 9+y/3=2 | | 1/23j=15 | | 5(x+6)+6=86 | | 8x+5=-5+2x+22 | | 4x3+8x2-5x=0 | | 3=-3(x-5)+6(-x-5) | | 35q=5 | | –7h=–8h+6 | | 5(x+6)+6=87 | | 4x-12=x+2=90 | | 10=—4a | | 96=12f | | -7(x+2)+9=-5 | | 3v=42 | | 2x+47x=x+25+x+x | | x=130=200 | | 13w=39 | | 9-g=23 | | 2(2x+1)-3=18 | | x*30=3391.31 | | s+40=160 | | 14v+15v-5v=4(v+25) | | 32-x=53 | | 5(5/2d)=3(3+2d) |