0=x^3-8x^2+11x+20

Simple and best practice solution for 0=x^3-8x^2+11x+20 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 0=x^3-8x^2+11x+20 equation:


Simplifying
0 = x3 + -8x2 + 11x + 20

Reorder the terms:
0 = 20 + 11x + -8x2 + x3

Solving
0 = 20 + 11x + -8x2 + x3

Solving for variable 'x'.

Combine like terms: 0 + -20 = -20
-20 + -11x + 8x2 + -1x3 = 20 + 11x + -8x2 + x3 + -20 + -11x + 8x2 + -1x3

Reorder the terms:
-20 + -11x + 8x2 + -1x3 = 20 + -20 + 11x + -11x + -8x2 + 8x2 + x3 + -1x3

Combine like terms: 20 + -20 = 0
-20 + -11x + 8x2 + -1x3 = 0 + 11x + -11x + -8x2 + 8x2 + x3 + -1x3
-20 + -11x + 8x2 + -1x3 = 11x + -11x + -8x2 + 8x2 + x3 + -1x3

Combine like terms: 11x + -11x = 0
-20 + -11x + 8x2 + -1x3 = 0 + -8x2 + 8x2 + x3 + -1x3
-20 + -11x + 8x2 + -1x3 = -8x2 + 8x2 + x3 + -1x3

Combine like terms: -8x2 + 8x2 = 0
-20 + -11x + 8x2 + -1x3 = 0 + x3 + -1x3
-20 + -11x + 8x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
-20 + -11x + 8x2 + -1x3 = 0

The solution to this equation could not be determined.

See similar equations:

| -28-2m=-20 | | -16x^2-8x+156=0 | | 3x+15=155 | | 0.3334(x-4)=x+2 | | -5+7(x-2)=13x+2-6x | | -35=d+54 | | x+15=3x+7 | | 3m+16=3m-2m | | n-4+2=n+7-9 | | X+77=x+117 | | 87=k-15 | | 1+3n+2n=-19 | | -6n-3n=-3(3+4n)+4(n+6) | | 6(a-4)+6=4(a-4) | | (5x)+(-2x+15)+(x-7)= | | d+d-5=45 | | -15=-5(m+5)+2(m+2) | | 2x^2+10x=7x+20 | | 2y-6=4xfory | | 8x-6=6x+16 | | -3x+10=60+2x | | p/60=32 | | -17x-2x=30 | | 11+y=62 | | -7(-6-7)+1=-16+4*-6 | | 30-2x=-8x | | 11+-2x=31-7x | | 5(3a+1)+2(-8-6a)=4 | | 0.3(x-4)=x+2 | | 6ln(3x+2)=26 | | p/60%=32 | | 8y+32-2y-2=70-3y |

Equations solver categories