3r(7r-8)r=

Simple and best practice solution for 3r(7r-8)r= 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 3r(7r-8)r= equation: 


Simplifying
3r(7r + -8) * r = 0

Reorder the terms:
3r(-8 + 7r) * r = 0

Reorder the terms for easier multiplication:
3r * r(-8 + 7r) = 0

Multiply r * r
3r2(-8 + 7r) = 0
(-8 * 3r2 + 7r * 3r2) = 0
(-24r2 + 21r3) = 0

Solving
-24r2 + 21r3 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), '3r2'.
3r2(-8 + 7r) = 0

Ignore the factor 3.

Subproblem 1
Set the factor 'r2' equal to zero and attempt to solve:

Simplifying
r2 = 0

Solving
r2 = 0

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

Simplifying
r2 = 0

Take the square root of each side:
r = {0}

Subproblem 2
Set the factor '(-8 + 7r)' equal to zero and attempt to solve:

Simplifying
-8 + 7r = 0

Solving
-8 + 7r = 0

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

Add '8' to each side of the equation.
-8 + 8 + 7r = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 7r = 0 + 8
7r = 0 + 8

Combine like terms: 0 + 8 = 8
7r = 8

Divide each side by '7'.
r = 1.142857143

Simplifying
r = 1.142857143
Solution
r = {0, 1.142857143}

See similar equations:

| -8(x-4)+5(2x+1)= | | T=14n+21 | | 2n(5-x)=12n+10x-15 | | 2(3.3n+6)=2.5n-2 | | 3x^2+13+4= | | p^4-16= | | 0=x^2-110x-2400 | | 155x+341y=1 | | 6(-7x-2)-3x=-2 | | (3x^3y^2)(-6y^5)= | | 9u+54-2u=-10 | | -(2-x)=2-c | | -.5x=25 | | 18=-4r+7r | | y=6-5cosy | | 9m+5n=6 | | 2=b+4 | | 12=5m+7m | | 14x+8=12x+14 | | 15y^2+20= | | -.4x=28 | | X-20y=47 | | ab=15 | | 2x+(Y+3)=54 | | 4(3x-8)-4=4(x-2)+36 | | 56.52=3.14*r^2 | | (5x+38)+62=90 | | w-9.8=27.2 | | 6f-3j=12 | | 4z=Z+18 | | 7-3+3*0+1= | | 9*3+2=x |

Equations solver categories