x^2+(k-10)x+9=0

Simple and best practice solution for x^2+(k-10)x+9=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+(k-10)x+9=0 equation:


Simplifying
x2 + (k + -10) * x + 9 = 0

Reorder the terms:
x2 + (-10 + k) * x + 9 = 0

Reorder the terms for easier multiplication:
x2 + x(-10 + k) + 9 = 0
x2 + (-10 * x + k * x) + 9 = 0

Reorder the terms:
x2 + (kx + -10x) + 9 = 0
x2 + (kx + -10x) + 9 = 0

Reorder the terms:
9 + kx + -10x + x2 = 0

Solving
9 + kx + -10x + x2 = 0

Solving for variable 'k'.

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

Add '-9' to each side of the equation.
9 + kx + -10x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + kx + -10x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + kx + -10x + x2 = 0 + -9
kx + -10x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
kx + -10x + x2 = -9

Add '10x' to each side of the equation.
kx + -10x + 10x + x2 = -9 + 10x

Combine like terms: -10x + 10x = 0
kx + 0 + x2 = -9 + 10x
kx + x2 = -9 + 10x

Add '-1x2' to each side of the equation.
kx + x2 + -1x2 = -9 + 10x + -1x2

Combine like terms: x2 + -1x2 = 0
kx + 0 = -9 + 10x + -1x2
kx = -9 + 10x + -1x2

Divide each side by 'x'.
k = -9x-1 + 10 + -1x

Simplifying
k = -9x-1 + 10 + -1x

Reorder the terms:
k = 10 + -9x-1 + -1x

See similar equations:

| 4t-8=5t+2 | | k^2-20k=64 | | 11=m-0.9 | | 20x+800=900 | | 25=x+21 | | -2.3+m=7 | | 8x^4+2x^3+x^2+3=0 | | n-3.2=5.6 | | 0.05x^2-3x+25=0 | | =x^2-10x+26 | | 4n-25=51 | | 2w+2(w+3)=42 | | (x-2)(x+10)=0 | | 4y-5+y+19=8y+20-5y | | -2x(3y-4z)= | | (x-10)(x-2)=0 | | (x-10)(x+2)=0 | | 16n-1=0 | | 4(x+3)-(2x-5)= | | 6(3+5x)-1=47 | | -5x-10x=-75 | | -5x-10=-75 | | 0.8t-1=11 | | (9a+3a)+(5a+6a)= | | 5x+14=-61 | | 12x^2-18x-6=0 | | 3v^2+24v=0 | | y-3x=-6 | | 31/6-17/12= | | 12x^2+12=-3 | | 6X^3+27X^2+66X=0 | | y+6=0.5*x |

Equations solver categories