If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-3x+x4-15x+8=-10+4-15+15x
We move all terms to the left:
-3x+x4-15x+8-(-10+4-15+15x)=0
We add all the numbers together, and all the variables
-3x+x4-15x-(15x-21)+8=0
We add all the numbers together, and all the variables
x^4-18x-(15x-21)+8=0
We get rid of parentheses
x^4-18x-15x+21+8=0
We do not support expression: x^4
| 9x2+9x+52=0 | | 7x+3=-2x+9 | | -4x+8=10x-3x+10+4-20 | | (10x+10)=5(2x+2) | | (-2d+8)-(-3d-6)=9d-26 | | 16-5d=1 | | -12+5x+3=+2x-5+8+10 | | 4=8+v | | 7/8x+7=1/8x+13 | | -4(5y+1)=-42-y | | 5x/7(-8)=x | | -6x+20=-20-10x | | 0.25n+0.5=7 | | -4b+2(-8b+6)=92 | | 15-8+10x=12-3+8-2x+3x | | 33=45-x | | 15t-(3t+8)=-44 | | –6k+20=–20−10k | | y+25=35 | | 22-t=10 | | 7p+13=-7+2p | | -9v-4+6v=23 | | 7+w=19 | | x-13=x/2-3 | | -3(x+-4)=15 | | 1/4+y=51/2 | | -3(6x+4)=-27 | | 2/3(3x+6=4x+3 | | 16w=56+8w | | 3(1+2p)=-1+2p | | (x^2)-26x+88=0 | | 0,5x-6=-5 |