5b^3=40b^2-80b

Simple and best practice solution for 5b^3=40b^2-80b 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 5b^3=40b^2-80b equation:


Simplifying
5b3 = 40b2 + -80b

Reorder the terms:
5b3 = -80b + 40b2

Solving
5b3 = -80b + 40b2

Solving for variable 'b'.

Reorder the terms:
80b + -40b2 + 5b3 = -80b + 40b2 + 80b + -40b2

Reorder the terms:
80b + -40b2 + 5b3 = -80b + 80b + 40b2 + -40b2

Combine like terms: -80b + 80b = 0
80b + -40b2 + 5b3 = 0 + 40b2 + -40b2
80b + -40b2 + 5b3 = 40b2 + -40b2

Combine like terms: 40b2 + -40b2 = 0
80b + -40b2 + 5b3 = 0

Factor out the Greatest Common Factor (GCF), '5b'.
5b(16 + -8b + b2) = 0

Factor a trinomial.
5b((4 + -1b)(4 + -1b)) = 0

Ignore the factor 5.

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 '(4 + -1b)' equal to zero and attempt to solve: Simplifying 4 + -1b = 0 Solving 4 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1b = 0 + -4 -1b = 0 + -4 Combine like terms: 0 + -4 = -4 -1b = -4 Divide each side by '-1'. b = 4 Simplifying b = 4

Subproblem 3

Set the factor '(4 + -1b)' equal to zero and attempt to solve: Simplifying 4 + -1b = 0 Solving 4 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1b = 0 + -4 -1b = 0 + -4 Combine like terms: 0 + -4 = -4 -1b = -4 Divide each side by '-1'. b = 4 Simplifying b = 4

Solution

b = {0, 4, 4}

See similar equations:

| 1x/2=7 | | 7(4n+8)-6=106 | | -2z+3=-14 | | 19x+x^2=0 | | 4x+x=1000 | | -4x+7+3x=-x+12 | | -4x-4x=-1+1-7x+7 | | 8b^3=2b | | 7b-2=b-2+6b | | x/7-8=9/14 | | 3-4(7+9)+6= | | 1/5x^1/2=5 | | 3-5=3x+5x-10x | | t(t+-4)=0 | | 30/0.7=d | | 264=(1+5)x | | 4r+17r=42 | | (x^2)(x+2)= | | t=149.39+0.98 | | 20(0.75)=d | | 16x=32x+48 | | -4x+2x+3x=24 | | 5=bh | | -3(4p+3)-2(6-11p)=3(6+3p) | | V=/wh | | (33b-3)-8(4b+3)=-2 | | 21.3/11.5=9.6/z | | 5+1*10= | | n/3=(5/11)/8 | | 2x-1/3=3 | | 1.8q-3.2-5.2q=-4.4q-2.3 | | 3x^2+2x^2-40=16-2x^2 |

Equations solver categories