3k^2+15=18k

Simple and best practice solution for 3k^2+15=18k 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+15=18k equation:


Simplifying
3k2 + 15 = 18k

Reorder the terms:
15 + 3k2 = 18k

Solving
15 + 3k2 = 18k

Solving for variable 'k'.

Reorder the terms:
15 + -18k + 3k2 = 18k + -18k

Combine like terms: 18k + -18k = 0
15 + -18k + 3k2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(5 + -6k + k2) = 0

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

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

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

Solution

k = {1, 5}

See similar equations:

| -7n+14=-5n-14 | | y=3x^2-7x-20 | | 30=2x+9-x+2 | | 4(-x+4)=14 | | 2x^6=0 | | 8(d+4)=4(d-8)+4s | | k+2k+90+90=360 | | y=6tan^5x | | t^2-4t=30+3t | | 12-13k=3(1-4k) | | x+16+60=8x+13 | | 3x^2=-5z | | 9x-(-23x)= | | -3(-8+5r)=40-7r | | (8+7)x(2+3)= | | 62=-28-16x | | r(10r+1)=9 | | -243=-90-9k | | x^2+3x=0-2.25 | | 7c-9=5c+6 | | 5d^2-25d-15=0 | | 4(-5x+6)=84 | | (t-1)(2)=3 | | 2x+(-3x+5)=6 | | 2cos(x)+sqrt(3)=0 | | 2(r+7)=20 | | 7x-15=2x+9 | | -8y+2y=-72 | | -2t+3t-10-14t= | | 42+36= | | -6D-32=-4(D+8)-2D | | 10=-12x |

Equations solver categories