8x^2-7x-k=0

Simple and best practice solution for 8x^2-7x-k=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^2-7x-k=0 equation:


Simplifying
8x2 + -7x + -1k = 0

Reorder the terms:
-1k + -7x + 8x2 = 0

Solving
-1k + -7x + 8x2 = 0

Solving for variable 'k'.

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

Add '7x' to each side of the equation.
-1k + -7x + 7x + 8x2 = 0 + 7x

Combine like terms: -7x + 7x = 0
-1k + 0 + 8x2 = 0 + 7x
-1k + 8x2 = 0 + 7x
Remove the zero:
-1k + 8x2 = 7x

Add '-8x2' to each side of the equation.
-1k + 8x2 + -8x2 = 7x + -8x2

Combine like terms: 8x2 + -8x2 = 0
-1k + 0 = 7x + -8x2
-1k = 7x + -8x2

Divide each side by '-1'.
k = -7x + 8x2

Simplifying
k = -7x + 8x2

See similar equations:

| 4(-8a+2)=-28+4a | | 2+1/2(a-1)-1 | | 3(1x+2)-7=7 | | x+2.50x+20=41 | | 5x+3/4=-12 | | x+21/2x+20=41 | | 1/8(18+s)=7 | | 110+3x+2=180 | | 7x-10x+4=12 | | -2-4(a+3)=10 | | -4/5x+7=23 | | 0=6+21t-16t^2 | | 12(3x+3)-6(2x-2)=4x-52 | | 4x^2-7x+11=6x+2 | | x+2/1/2x+20=41 | | 5x-9=(x-3) | | y=1/2(2+3) | | 6s-3t-4s+3t=39-29 | | 4x-2(4x+17)=14 | | 5x+24=3x+78 | | 74-2x=60 | | 3a+3=-15 | | y=1/2.2+3 | | x^2+5x-1=9x-4 | | 5x-3x+7=3x-1 | | 4x+74=7x-7 | | 8(w-2)+4=6w-12 | | .90x+0.05(8+-1x)=0.10(-115) | | y=1/22+3 | | 34-2r=-4r-2(4r+8) | | 2a-6=30 | | -7u+3(u-6)=14 |

Equations solver categories