If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4x^3-5x+15=8
We move all terms to the left:
4x^3-5x+15-(8)=0
We do not support expression: x^3
| 27/4+3t=-4 | | -30.24x+20.064=-58.56 | | 7y=(5y+12) | | 6+5x=5+x | | 40/3-9t=-4 | | 9^(3x-10)=(1/81)^1/6 | | 9^3x-10=(1/81)^(1/6) | | (x-9)/2=18 | | -6+2x-5=5x+103 | | 3(x-2)+8=-19 | | 10+3t=10 | | -4=5x+21 | | x+5=-x+23 | | 12x+19x=1,085 | | y+10+50+2y=180 | | 12x+16x=1,085 | | |2y+7|=9 | | 9(x-2)+5=5x+4(-3+x) | | x+2/3x=180° | | 4(3x+2)-8=10x+15+5 | | 0.6m=20 | | x^2-10x=25=0 | | 5-(2x+7)=26-6x | | 30/9+3t=10 | | (2/3)x+5=27 | | 2-x/2=11 | | 7x.3=13 | | 6x^2+38x+60=0 | | -3y+6=-6-12 | | 3s+73/9=0 | | X4-4x2+3=0 | | 101/4=3/4-2n |