x^2-kx-20k^2=0

Simple and best practice solution for x^2-kx-20k^2=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 x^2-kx-20k^2=0 equation:


Simplifying
x2 + -1kx + -20k2 = 0

Reorder the terms:
-1kx + -20k2 + x2 = 0

Solving
-1kx + -20k2 + x2 = 0

Solving for variable 'k'.

Factor a trinomial.
(-4k + -1x)(5k + -1x) = 0

Subproblem 1

Set the factor '(-4k + -1x)' equal to zero and attempt to solve: Simplifying -4k + -1x = 0 Solving -4k + -1x = 0 Move all terms containing k to the left, all other terms to the right. Add 'x' to each side of the equation. -4k + -1x + x = 0 + x Combine like terms: -1x + x = 0 -4k + 0 = 0 + x -4k = 0 + x Remove the zero: -4k = x Divide each side by '-4'. k = -0.25x Simplifying k = -0.25x

Subproblem 2

Set the factor '(5k + -1x)' equal to zero and attempt to solve: Simplifying 5k + -1x = 0 Solving 5k + -1x = 0 Move all terms containing k to the left, all other terms to the right. Add 'x' to each side of the equation. 5k + -1x + x = 0 + x Combine like terms: -1x + x = 0 5k + 0 = 0 + x 5k = 0 + x Remove the zero: 5k = x Divide each side by '5'. k = 0.2x Simplifying k = 0.2x

Solution

k = {-0.25x, 0.2x}

See similar equations:

| 2/3x-1/3=5/6 | | 3u+7v+5u= | | 2(2z+5)+3z= | | [9x+4]=[x-11] | | 2(5+5y)+8= | | 9x-6=4(x-9) | | 2(5q+6)+5q= | | 9y+15-y-9= | | 7x+16-6x=-3-11 | | 12=4(6x+3) | | 45=3w-9 | | 9(2+5g)+9= | | 2(1+7p)+10p= | | -2x^2=-1 | | 2(1+2w)+10= | | A-b+a-2b= | | 4x^2+2x-60=0 | | 2X(3-6)=4X-6 | | 3f+10(3f+3)= | | (5)^2-(1/2)^2 | | 6m-1=50 | | 3(m+1.2)=7.53 | | 45+7xX=80 | | 5w+12=72 | | sin^7x=sin^3x | | kx^2-2x+2-k=0 | | [x+8]=c | | 2.75-2y+5y=1.22+y | | 4z-8z=12 | | 0.0013/16.9 | | 3x^6-12x^2=0 | | 1/2x+9=25 |

Equations solver categories