3k^2-36k+105=0

Simple and best practice solution for 3k^2-36k+105=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 3k^2-36k+105=0 equation:


Simplifying
3k2 + -36k + 105 = 0

Reorder the terms:
105 + -36k + 3k2 = 0

Solving
105 + -36k + 3k2 = 0

Solving for variable 'k'.

Factor out the Greatest Common Factor (GCF), '3'.
3(35 + -12k + k2) = 0

Factor a trinomial.
3((5 + -1k)(7 + -1k)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -1k)' equal to zero and attempt to solve: Simplifying 7 + -1k = 0 Solving 7 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1k = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1k = 0 + -7 -1k = 0 + -7 Combine like terms: 0 + -7 = -7 -1k = -7 Divide each side by '-1'. k = 7 Simplifying k = 7

Solution

k = {5, 7}

See similar equations:

| v+24=65 | | 5+12x=44-x | | X+4=2x+5 | | -(2/(5-3h))=7 | | x/2+8=13 | | y=-15-3(-4) | | (-25x+75)=0 | | -3x+4(-15-3x)=0 | | -3x+4(-15+3x)=0 | | 4-1/5=2x+1 | | x=5(-3)+15 | | -5(5y+15)-4y=12 | | (4x-1/5)=2x+1 | | 5*x^2-14x+8=0 | | x^2-9x+40=0 | | 3(-1)-4y=13 | | 8x+9=53-3x | | 8-23/8 | | 3x-4(3x-1)=13 | | -5x+2(4x)=0 | | 3x+4(3)=15 | | 4x-1/5=2x+1 | | 7/12x3/5 | | 41/2-11/4 | | log(x)+log(x-2)=log(8x) | | 3(1)+4y=15 | | 3(1)+4=15 | | 3x=486 | | ln(x)+ln(x-2)=ln(8x) | | y=19+3(-9) | | log[2](x)+log[2](x-4)=2 | | 3x-3(19+3x)=-3 |

Equations solver categories