If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-2k^3+k2-9=5k^3-3k+7
We move all terms to the left:
-2k^3+k2-9-(5k^3-3k+7)=0
We do not support ekpression: k^3
| 6x^2+35x-8=0 | | 8x+10x=2x-5 | | 2x+10=x+11 | | 11y=7y+24 | | 4x+7+3.2=3x+9 | | 10-11=x-2x | | r=10+8= | | 5a+9=54 | | (w+7)=12 | | 30=3w+2w | | 116x^2/100=0 | | 110x*x+30*x/2+80*0,25x=26100 | | 20+x+96x/100=0 | | n²-4n+1020=0 | | 110*x+30*x/2+80*0,25x=26100 | | u=0,75*0,6 | | u=3/4*2/3 | | 2y(-5)=23 | | X+2|3x=45 | | 5-4x/5=7 | | x*x*x-512=0 | | 2x=24.2 | | 5(x-3)=2(4x-10) | | 6+y=7.7 | | 4a-7a=3a-9 | | 5x=14x-2 | | 171*x*x=72 | | x^2+5x=2450 | | 170,7*x*x=72 | | .75x=19125 | | 10+z+10=21 | | p/3-5=p |