6k^2-7k-20=

Simple and best practice solution for 6k^2-7k-20= 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 6k^2-7k-20= equation:


Simplifying
6k2 + -7k + -20 = 0

Reorder the terms:
-20 + -7k + 6k2 = 0

Solving
-20 + -7k + 6k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(-4 + -3k)(5 + -2k) = 0

Subproblem 1

Set the factor '(-4 + -3k)' equal to zero and attempt to solve: Simplifying -4 + -3k = 0 Solving -4 + -3k = 0 Move all terms containing k to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -3k = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -3k = 0 + 4 -3k = 0 + 4 Combine like terms: 0 + 4 = 4 -3k = 4 Divide each side by '-3'. k = -1.333333333 Simplifying k = -1.333333333

Subproblem 2

Set the factor '(5 + -2k)' equal to zero and attempt to solve: Simplifying 5 + -2k = 0 Solving 5 + -2k = 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 + -2k = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2k = 0 + -5 -2k = 0 + -5 Combine like terms: 0 + -5 = -5 -2k = -5 Divide each side by '-2'. k = 2.5 Simplifying k = 2.5

Solution

k = {-1.333333333, 2.5}

See similar equations:

| 20+2x=60 | | x(x+7)+198=(2x+14)(x-3) | | x(x+7)=(2x+14)(x-3) | | 7m=-14 | | 3(x-27)+9(x+3)=x-81 | | 16x^2-105x+34=0 | | 2y^4+10y^2+8=0 | | k^2+7k= | | 40=x^2-(x-2)(x-2) | | -(5y+3)-(-4y-8)=4 | | -10=-1x-5 | | -5+2z=-2 | | 3z-4=5 | | 6(4x-2)=2(12x+7) | | 7+2t-6=7t+9-4t | | -6+3x=3 | | y=3+-6x | | 7x+16x=138 | | 198=2(x-3)(X-3) | | -16t^2+161t+57=0 | | -16t^2+161t+57=o | | 6b^2=4b | | -5x+4=-9 | | 8n=-72 | | x^2+198=2(x+7)(X-3) | | -2(4b+4)+(9b-3)=0 | | 2.7q-5.7-5.8q=-4.1q-5.3 | | 2.7q-5.7-5.8q=4.1q-5.3 | | -7y+1=-8y+8 | | 2x+9+9=0 | | 3x^3+5x^2+12x+20=0 | | 198=3x^2+8x-42 |

Equations solver categories