4r^2=-28r

Simple and best practice solution for 4r^2=-28r 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 4r^2=-28r equation:


Simplifying
4r2 = -28r

Solving
4r2 = -28r

Solving for variable 'r'.

Reorder the terms:
28r + 4r2 = -28r + 28r

Combine like terms: -28r + 28r = 0
28r + 4r2 = 0

Factor out the Greatest Common Factor (GCF), '4r'.
4r(7 + r) = 0

Ignore the factor 4.

Subproblem 1

Set the factor 'r' equal to zero and attempt to solve: Simplifying r = 0 Solving r = 0 Move all terms containing r to the left, all other terms to the right. Simplifying r = 0

Subproblem 2

Set the factor '(7 + r)' equal to zero and attempt to solve: Simplifying 7 + r = 0 Solving 7 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + r = 0 + -7 Combine like terms: 7 + -7 = 0 0 + r = 0 + -7 r = 0 + -7 Combine like terms: 0 + -7 = -7 r = -7 Simplifying r = -7

Solution

r = {0, -7}

See similar equations:

| q/1=o | | 2(2x+2)+(3x+1)=180 | | 8=d-6 | | 5x-2-3=34 | | 3n-5(x-3)=-25 | | x-4x+3=12 | | 7/9m=-14 | | X+2x=31 | | 2/10y=1/2 | | -4x+3y+15x-8= | | 4xy+2xy-x^2y-5xy= | | (7a^4+4a)-(4a^4-2a)= | | -4+-10+3= | | 0.7x-2=0.4x+1 | | 3n-an=w | | -5r-(-1)=21 | | -4Z+7z+3-2z= | | z+3=13 | | 8n+7n=16+7n | | -44=-4x-4 | | 8a−3=17/3 | | 0.1x-2=0.2x+1 | | 4(6x^2-3)-[2(5x^2-1)+1]= | | 4x^2+74x-288=0 | | 11x=300 | | (1-5v)+(-6-6v)= | | -35=(5/7)x | | 2x-y=5x-8 | | d=273+1.75t | | 0.66666667x+0.16666667=-2x+7 | | 14-6(3m+7)=-2m+16 | | 5x+7+x+-9x= |

Equations solver categories