5k^2=200+15k

Simple and best practice solution for 5k^2=200+15k 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=200+15k equation:


Simplifying
5k2 = 200 + 15k

Solving
5k2 = 200 + 15k

Solving for variable 'k'.

Reorder the terms:
-200 + -15k + 5k2 = 200 + 15k + -200 + -15k

Reorder the terms:
-200 + -15k + 5k2 = 200 + -200 + 15k + -15k

Combine like terms: 200 + -200 = 0
-200 + -15k + 5k2 = 0 + 15k + -15k
-200 + -15k + 5k2 = 15k + -15k

Combine like terms: 15k + -15k = 0
-200 + -15k + 5k2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-40 + -3k + k2) = 0

Factor a trinomial.
5((-5 + -1k)(8 + -1k)) = 0

Ignore the factor 5.

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 '(8 + -1k)' equal to zero and attempt to solve: Simplifying 8 + -1k = 0 Solving 8 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1k = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1k = 0 + -8 -1k = 0 + -8 Combine like terms: 0 + -8 = -8 -1k = -8 Divide each side by '-1'. k = 8 Simplifying k = 8

Solution

k = {-5, 8}

See similar equations:

| 0.35p=4.9 | | 2n/5+(-n/6)= | | 0.5x+0.7=5.2 | | L=(wh+lh) | | x^2-13x+34=-6 | | 8k+6-2k= | | 3=29-7x | | 2.7=6.2+y | | x+75=2x+8 | | 5g+4(-7+5g)=1-g | | 3=20-4x | | f(x)=6ln(x+1)-3x | | 49-14r+r^2= | | -8=x+19 | | 2.7x=10.8 | | 6x^2+60x+90=2 | | -11=-4x-6x+9 | | -2(x-9)-6=12-14 | | y-.75c=200 | | (7a^3)(-4a^15)= | | 2.6z-2.5=1.1+3z | | 24-2x=2x | | 5m-3m+19=31 | | c-.75y=200 | | 5d^2+50d+125= | | 7z-22=-14+8z | | 5-3x+21=4-2x-8 | | 38=6x-x+8 | | 4c^2-7c-28c+49= | | 33x+25=41+51x | | y+x+5z=4 | | 4(k-1)=-10+5k |

Equations solver categories