x^2-(4+k)x+9=0

Simple and best practice solution for x^2-(4+k)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-(4+k)x+9=0 equation:


Simplifying
x2 + -1(4 + k) * x + 9 = 0

Reorder the terms for easier multiplication:
x2 + -1x(4 + k) + 9 = 0
x2 + (4 * -1x + k * -1x) + 9 = 0

Reorder the terms:
x2 + (-1kx + -4x) + 9 = 0
x2 + (-1kx + -4x) + 9 = 0

Reorder the terms:
9 + -1kx + -4x + x2 = 0

Solving
9 + -1kx + -4x + 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 + -1kx + -4x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + -1kx + -4x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1kx + -4x + x2 = 0 + -9
-1kx + -4x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
-1kx + -4x + x2 = -9

Add '4x' to each side of the equation.
-1kx + -4x + 4x + x2 = -9 + 4x

Combine like terms: -4x + 4x = 0
-1kx + 0 + x2 = -9 + 4x
-1kx + x2 = -9 + 4x

Add '-1x2' to each side of the equation.
-1kx + x2 + -1x2 = -9 + 4x + -1x2

Combine like terms: x2 + -1x2 = 0
-1kx + 0 = -9 + 4x + -1x2
-1kx = -9 + 4x + -1x2

Divide each side by '-1x'.
k = 9x-1 + -4 + x

Simplifying
k = 9x-1 + -4 + x

Reorder the terms:
k = -4 + 9x-1 + x

See similar equations:

| 3(6c+8)=21 | | -8(-4-6k)-7=-7(1-8k) | | 10a+1=4a-11 | | 8f-2-6f=20 | | 4y=x-3xy | | 10x+x^2+y^2=0 | | -32=3(5y-4) | | 7x+1=-5x-11 | | 7.6x=-38.76 | | x-3xy=4y | | 10m=3+7m | | 5x+1=12x-48 | | 12-5x=-8x+6 | | 5h+6h=34 | | 14-12a=4a-16 | | 8-3x=38 | | 8a+3=2a-2 | | 6(p+3)-4=6p+3+p | | 9=-x^2+6x | | 5(a-5)=7a+(1+a) | | -8(4+6k)=160 | | 14-p=-(-2p-16) | | -16=-3a+8a | | 4x^2+1=145 | | 5w-w+7w= | | 15=n+1.25(14-n) | | 14+p= | | 25-9x=5(6x+2) | | 25n^3=9n | | 13x+6=-1x-3 | | 11a+9=1a-5 | | 4*x-3=11*x |

Equations solver categories