If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x(x^2-9x+84)=0
We multiply parentheses
x^3-9x^2+84x=0
We do not support expression: x^3
| 5n-10=70 | | 2x=74/3 | | 2(3n)+6=15 | | 11x-9=7x+207 | | 1/3h-(2/3h-3)=2/3h-6 | | 5-2y=8+3y | | -49x^2-56x+16=0 | | 10.6m+15=208.5 | | 5x+50-10=180 | | 2x-24=12x+52 | | 2x+24=12x-52 | | -2x-24=12x-52 | | 2x-24=12x-52 | | 9(d-40-8=5d | | X4-3x3+4x2-12x=0 | | 4-x-10=46 | | b=4+1/5 | | b=7-14/5 | | 3x+28=2x | | b=7+-14/5 | | (3x+3)(6x-12)=0 | | 9x-2+9x-7=180 | | 5(3t+1)-15=t-(t+9) | | 0=(x+1/2)-(x-2/7)+1 | | 3(x+1)÷5=2x-5 | | 13-3r+2+6r-2r-1=3+2•9= | | .80x-11=3x+41 | | 5y-1+y+31=7y+30-5y | | 2c+24=-18 | | 1/c+1/3c=2/3 | | 11=2(x-1) | | (2)=2x-5x+7 |