5k^2+10k-15=0

Simple and best practice solution for 5k^2+10k-15=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 5k^2+10k-15=0 equation:


Simplifying
5k2 + 10k + -15 = 0

Reorder the terms:
-15 + 10k + 5k2 = 0

Solving
-15 + 10k + 5k2 = 0

Solving for variable 'k'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-3 + 2k + k2) = 0

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

Ignore the factor 5.

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 '(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

Solution

k = {-3, 1}

See similar equations:

| 3x=-15-y | | 5p^2-2p+8=0 | | 11a^2+2a-14=0 | | 105+19m=390 | | 2.25f=125 | | 6b^2-b-17=0 | | Y^2+4Y+8X+92=4y-3X-12 | | 9+(x+6)= | | 2sin^2x+7sinx+3=0 | | (2m-p)(2m-p)(2m-p)(2m-p)= | | 5(x+4)-15= | | -8+4y=-x | | (5)2x=3 | | 12p^2+6p+2=0 | | 98=3-5x | | -6.3(2p+6)-2.3(3p-5)= | | 0=-16x^2+50x-25 | | (k-3)(k-3)(k-3)= | | -2+9=17x-3-16x | | a+2.25=7.7 | | 1000=500(1+i) | | 9/x^2-9/49 | | 35s^2y+10s^3y=5s^2y | | 4x=2(x+10) | | a-4.25=1.75 | | (5s+2f)(5s-2f)= | | 3(x*x-2x)=3x*x+5x-11 | | 2/3x=-50 | | 5y+10+2x=0 | | -.2*2= | | 6x-4=36+x | | 8a^2p+10a^3p^4=2a^2p |

Equations solver categories