8x^2-2kx-k^2=0

Simple and best practice solution for 8x^2-2kx-k^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 8x^2-2kx-k^2=0 equation: 


Simplifying
8x2 + -2kx + -1k2 = 0

Reorder the terms:
-2kx + -1k2 + 8x2 = 0

Solving
-2kx + -1k2 + 8x2 = 0

Solving for variable 'k'.

Factor a trinomial.
(-1k + -4x)(k + -2x) = 0


Subproblem 1
Set the factor '(-1k + -4x)' equal to zero and attempt to solve:

Simplifying
-1k + -4x = 0

Solving
-1k + -4x = 0

Move all terms containing k to the left, all other terms to the right.

Add '4x' to each side of the equation.
-1k + -4x + 4x = 0 + 4x

Combine like terms: -4x + 4x = 0
-1k + 0 = 0 + 4x
-1k = 0 + 4x
Remove the zero:
-1k = 4x

Divide each side by '-1'.
k = -4x

Simplifying
k = -4x

Subproblem 2
Set the factor '(k + -2x)' equal to zero and attempt to solve:

Simplifying
k + -2x = 0

Solving
k + -2x = 0

Move all terms containing k to the left, all other terms to the right.

Add '2x' to each side of the equation.
k + -2x + 2x = 0 + 2x

Combine like terms: -2x + 2x = 0
k + 0 = 0 + 2x
k = 0 + 2x
Remove the zero:
k = 2x

Simplifying
k = 2x
Solution
k = {-4x, 2x}

See similar equations:

| k=-12+5r | | .10m=70 | | 9-1.5x=5.2-1.3x | | X/7=5/35 | | 21x-28+5x+30=30 | | y-16=28 | | X/3=t | | t/8=3 | | 28+4n=-1-7(n-1) | | x5/4=32 | | 0=(80-2x)(50-2x)(x) | | -3x-5y=-10 | | (12x+148)+(7x+140)=364 | | 5+y=11 | | 4y+112=7x | | 7x*2= | | y+4=14 | | 5+y=14 | | (4w^2)-19w-30=6-2w^2 | | 7x*x= | | (12x+148)+(7x+140)=13 | | .25=y-.2(8) | | 4w^2-19w-30=6-2w^2 | | 3e-32e+16=180 | | (-8x^3+5x^2-7x+10)+(9x^3+7x^2-9x-7)= | | m=4,(8,6) | | 4x^2-4x+8=y | | =4cos(x) | | 10x-24=20x+56 | | 4x-(3x+7)=2x-41 | | 3(2m-6)=2(3m-9) | | (3v-1)(2+v)=0 |

Equations solver categories