(4b)(b+3)(b-8)=

Simple and best practice solution for (4b)(b+3)(b-8)= 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 (4b)(b+3)(b-8)= equation: 


Simplifying
(4b)(b + 3)(b + -8) = 0

Remove parenthesis around (4b)
4b(b + 3)(b + -8) = 0

Reorder the terms:
4b(3 + b)(b + -8) = 0

Reorder the terms:
4b(3 + b)(-8 + b) = 0

Multiply (3 + b) * (-8 + b)
4b(3(-8 + b) + b(-8 + b)) = 0
4b((-8 * 3 + b * 3) + b(-8 + b)) = 0
4b((-24 + 3b) + b(-8 + b)) = 0
4b(-24 + 3b + (-8 * b + b * b)) = 0
4b(-24 + 3b + (-8b + b2)) = 0

Combine like terms: 3b + -8b = -5b
4b(-24 + -5b + b2) = 0
(-24 * 4b + -5b * 4b + b2 * 4b) = 0
(-96b + -20b2 + 4b3) = 0

Solving
-96b + -20b2 + 4b3 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '4b'.
4b(-24 + -5b + b2) = 0

Factor a trinomial.
4b((-3 + -1b)(8 + -1b)) = 0

Ignore the factor 4.

Subproblem 1
Set the factor 'b' equal to zero and attempt to solve:

Simplifying
b = 0

Solving
b = 0

Move all terms containing b to the left, all other terms to the right.

Simplifying
b = 0

Subproblem 2
Set the factor '(-3 + -1b)' equal to zero and attempt to solve:

Simplifying
-3 + -1b = 0

Solving
-3 + -1b = 0

Move all terms containing b to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + 3 + -1b = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -1b = 0 + 3
-1b = 0 + 3

Combine like terms: 0 + 3 = 3
-1b = 3

Divide each side by '-1'.
b = -3

Simplifying
b = -3

Subproblem 3
Set the factor '(8 + -1b)' equal to zero and attempt to solve:

Simplifying
8 + -1b = 0

Solving
8 + -1b = 0

Move all terms containing b to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + -1b = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1b = 0 + -8
-1b = 0 + -8

Combine like terms: 0 + -8 = -8
-1b = -8

Divide each side by '-1'.
b = 8

Simplifying
b = 8
Solution
b = {0, -3, 8}

See similar equations:

| 2(x-6)=5(x-2) | | 3(x+9)=4(-2) | | 3a+7=18 | | 3y/5 | | 4sin^2x-sinx-1=0 | | (3/x^2)-(54/x^4) | | m(2m+7)=19 | | x-3=4x+1 | | -8(x+7)-(-9x-6)=4 | | -3/4(4)-2 | | -55+6y=-5ygraph | | -55+6y=-5y | | 10x+3=15x-7 | | 3x+(x-32)=220 | | ABC+BCA+CAB=111(A+B+C) | | 4x+2y=76 | | uk+uz=k | | 8/11x-5/11-4/5x-6/11 | | (7x+9y)+3z= | | 2(2)-7y=3 | | 9x-4=8x-1 | | 10x-9=21+2x | | 16x-4=8-2x | | 3x-9y=11 | | 25.00=x-0.4x | | 4x+7y=-12 | | 4s*2+9=12s | | 14.25=X-0.2x | | 9x+7=8(x-3)-1 | | 7/8y-5/8=11/4 | | 6(t-4)-t=21 | | 1.1x+x= |

Equations solver categories