6r^2-54r+120=0

Simple and best practice solution for 6r^2-54r+120=0 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 6r^2-54r+120=0 equation:


Simplifying
6r2 + -54r + 120 = 0

Reorder the terms:
120 + -54r + 6r2 = 0

Solving
120 + -54r + 6r2 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), '6'.
6(20 + -9r + r2) = 0

Factor a trinomial.
6((4 + -1r)(5 + -1r)) = 0

Ignore the factor 6.

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -1r)' equal to zero and attempt to solve: Simplifying 5 + -1r = 0 Solving 5 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1r = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1r = 0 + -5 -1r = 0 + -5 Combine like terms: 0 + -5 = -5 -1r = -5 Divide each side by '-1'. r = 5 Simplifying r = 5

Solution

r = {4, 5}

See similar equations:

| (4x^2-5-8x)-(3x^2-8x-7)= | | -4x+6=20 | | 2a-6=4(a+1)+9a+4 | | s^2-6s+8=0 | | 2a-6=4(a+1)9a+4 | | 4a-5=3(a+1)+10a+2 | | -4w-9=11 | | -8x+5=7x+3-9x | | 8x-y=6 | | 2x+3.2x-1x=0 | | 8x^2+13=20x | | 19x^2-9=0 | | (9b-7)-4(2b+1)=-3 | | (3x-4)+10=5(x+4) | | 63x^3-28x^2+45x-20=0 | | 3+23a= | | 27x^3-18x^2+9x=0 | | 9w^2+21w-8=0 | | -9(x-27)+3(x+3)=x-17 | | -21x^7-7x^6=0 | | -16x=-4x^3 | | -4(5n+6)=8 | | -(7y+2)-(-6y-6)=-1 | | 8(3x-1)=4(6x+3) | | 8+8y-3=8y+20-5y | | (4a*2)+2+(5a*3)+1= | | log*5*(x-3)=3 | | 16r+9r=225 | | 5a-7b+2b=0 | | (4a)(2+2)+(5a)(3+1)= | | (-3p)4= | | -7.2x=57.6 |

Equations solver categories