If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X(3X+1)(X+7)=0
We multiply parentheses ..
X(+3X^2+21X+X+7)=0
We multiply parentheses
3X^3+21X^2+X^2+7X=0
We do not support eXpression: X^3
| 3r+4+8r-2=180 | | p^+6=-30 | | 6*(a+3)=18+6a | | 8s+5+77=90 | | 8s+5+77=180 | | 2x+3x-4=2x-3+4 | | 6p^2=-p+2 | | 96+x+12+2x=180 | | 3x+4=9x+33x+4=9x+3 | | 5(15x-5)=15x+35 | | 2c-3=+15 | | 17x-3=9x=13 | | -4-n=13 | | 1.5x-3=7 | | a+½=-¼ | | -105=-5(1-x) | | -3(x-4)=-28 | | 3x-4(2x-9)=-5x-9 | | k-(-3)=17 | | 25x2+5x+6=0 | | x+102+42=180 | | x+102+42=18- | | 7x+6(2–x)+17=16+3(6+x) | | a-10=36 | | 2052=27(p+30) | | g-7=25 | | 2a+a/2=90 | | 34+x/(-3)=28 | | (2x+17)=(2x+10) | | F(m)=2(m-3) | | 9n+33=18n+6 | | x-3|=5 |