5k^2=-9k+18

Simple and best practice solution for 5k^2=-9k+18 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 5k^2=-9k+18 equation:


Simplifying
5k2 = -9k + 18

Reorder the terms:
5k2 = 18 + -9k

Solving
5k2 = 18 + -9k

Solving for variable 'k'.

Reorder the terms:
-18 + 9k + 5k2 = 18 + -9k + -18 + 9k

Reorder the terms:
-18 + 9k + 5k2 = 18 + -18 + -9k + 9k

Combine like terms: 18 + -18 = 0
-18 + 9k + 5k2 = 0 + -9k + 9k
-18 + 9k + 5k2 = -9k + 9k

Combine like terms: -9k + 9k = 0
-18 + 9k + 5k2 = 0

Factor a trinomial.
(-3 + -1k)(6 + -5k) = 0

Subproblem 1

Set the factor '(-3 + -1k)' equal to zero and attempt to solve: Simplifying -3 + -1k = 0 Solving -3 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1k = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1k = 0 + 3 -1k = 0 + 3 Combine like terms: 0 + 3 = 3 -1k = 3 Divide each side by '-1'. k = -3 Simplifying k = -3

Subproblem 2

Set the factor '(6 + -5k)' equal to zero and attempt to solve: Simplifying 6 + -5k = 0 Solving 6 + -5k = 0 Move all terms containing k to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -5k = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5k = 0 + -6 -5k = 0 + -6 Combine like terms: 0 + -6 = -6 -5k = -6 Divide each side by '-5'. k = 1.2 Simplifying k = 1.2

Solution

k = {-3, 1.2}

See similar equations:

| 2n=3+2 | | 9x+185=7x+156 | | 0.5(5-7x)=8-(fx+6) | | 3-3x^2=-85 | | n=3+2 | | 4x+(3+6x)=(4x+3)+6x | | 2x/5-4/3=-8/5 | | 7.5-x=4 | | X^3+4x^2+3x+45=0 | | 4w+9.6=4.8 | | 3ln(x+2)=24 | | 4x+24=72 | | (7b-5)-2(3b+2)=-2 | | (52)(53)= | | 6v=192 | | 123=1234 | | 16x^4y^4/2x^2y^4 | | 3x^3+22x-26=0 | | 17-5(x-4)=17 | | 4(4-8m)+28m=-272-4m | | -y/4=-42 | | x(3-8)=-2(4-3x) | | 2x-22=14 | | 3x-4x(6*77)=123 | | (10x+7)+63=180 | | 3x+28=70 | | 7(3w+6)=10 | | 10x+x^2=100 | | 5/4x-9/5-1/8x | | z-8=2z-59 | | X+0.01*X=17000 | | 9999999999999999999999999999999999999999999999999999999999999999999999999+999999999999999999999999999999999999999999999999999999999999999999999999999= |

Equations solver categories