(2b^3-9b^2-9b-11)/(b+4)

Simple and best practice solution for (2b^3-9b^2-9b-11)/(b+4) 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 (2b^3-9b^2-9b-11)/(b+4) equation:


D( b )

b+4 = 0

b+4 = 0

b+4 = 0

b+4 = 0 // - 4

b = -4

b in (-oo:-4) U (-4:+oo)

(2*b^3-(9*b^2)-(9*b)-11)/(b+4) = 0

(2*b^3-9*b^2-9*b-11)/(b+4) = 0

2*b^3-9*b^2-9*b-11 = 0

2*b^3-9*b^2-9*b-11 = 0

{ 1, -1, 11, -11 }

1

b = 1

2*b^3-9*b^2-9*b-11 = -27

1

-1

b = -1

2*b^3-9*b^2-9*b-11 = -13

-1

11

b = 11

2*b^3-9*b^2-9*b-11 = 1463

11

-11

b = -11

2*b^3-9*b^2-9*b-11 = -3663

-11

{ 1/2, -1/2, -1/2, 1/2, 11/2, -11/2, -11/2, 11/2 }

1/2

b

1/2

2*b^3-9*b^2-9*b-11 = -17.5

1/2

-1/2

b

-1/2

2*b^3-9*b^2-9*b-11 = -9

-1/2

-1/2

b

-1/2

2*b^3-9*b^2-9*b-11 = -9

-1/2

1/2

b

1/2

2*b^3-9*b^2-9*b-11 = -17.5

1/2

11/2

b

11/2

2*b^3-9*b^2-9*b-11 = 0

11/2

b-11/2

2*b^2+2*b+2

2*b^3-9*b^2-9*b-11

b-11/2

11*b^2-2*b^3

2*b^2-9*b-11

11*b-2*b^2

2*b-11

11-2*b

0

2*b^2+2*b+2 = 0

DELTA = 2^2-(2*2*4)

DELTA = -12

DELTA < 0

b in { 11/2}

b-11/2 = 0

(b-11/2)/(b+4) = 0

b-11/2 = 0 // + 11/2

b = 11/2

b = 11/2

See similar equations:

| 12m+3m=108 | | 4+-n=5 | | 1m+3m=108 | | 3(6x+7)=18x+21 | | -2(u-5)=-8 | | -4y-38=-2(4-y) | | 2d-6d=20 | | 72+x=x/3 | | 4x+6y/9y | | .20x+.35(30)=25.5 | | r=5k+5w | | U+6/U+4=U+1/U+2+1 | | -2.03x^2+78.48x+743= | | 1/3+72=x | | -3b+-4=2 | | x^3-2x^2+5x+2=0 | | (5x^4-6x^2-12)-(4x^4+7x^3+5)= | | 16/z=4 | | (x^2-x-6)/x | | 5c-5c+6c-4=14 | | 7-10x=75-38x | | (X/2)+(5x/4)=(x/12) | | (5x^2y-5xy^2+3)+(-8x^2y+10xy^2-9)= | | 2+7(2-x)=3x-24 | | (10-4x)/6+(12+6x)/2=12 | | 0x^2-6x+9=0 | | (0.1x^4+0.4x^2+4.9)-(7.2x^4+5.8x+3.1)= | | 3(-2y+2)+4y=-4 | | 6-3(2X+5)=5X-14 | | 3x^4-6x^3+12x^2=0 | | 4x^3-24x^2+21x-5=0 | | 1/4+1/13+1/52 |

Equations solver categories