9x^2-kx+4=0

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


Simplifying
9x2 + -1kx + 4 = 0

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

Solving
4 + -1kx + 9x2 = 0

Solving for variable 'k'.

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

Add '-4' to each side of the equation.
4 + -1kx + -4 + 9x2 = 0 + -4

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

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

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

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

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

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

Simplifying
k = 4x-1 + 9x

See similar equations:

| 108-4x=23x+24 | | x*x+14*x+48=0 | | 11-10x=111-45x | | B^2-8b+20= | | x*x+12*x+35=0 | | 105-4x=3x+14 | | 47-2x=7x+2 | | 12x^2+15x-8x+10=0 | | x+y=x-2y | | 25x^2-kx+1=0 | | 12x^2+7x+10=0 | | x^2-kx+1=4 | | x^2+kx+64=0 | | 30x-89=45(34*5+3x)-42+56x | | 9(x+6)=4(x+21) | | 4(x-2)=41-3x | | (4h+8)m+(h+4)m=30m | | 3x-7=43-7x | | 3x^3-x^2-12x+4=0 | | 12m+2=4-6m | | 8+3y=y+15 | | -r^2-r+12=0 | | 4u=-1(u+5) | | 2x+5=4-7x | | x+7=-3x-1 | | m^2+6m-55=0 | | X^3-4x^2-5x=0 | | -2x^2-20x+48=0 | | x^2+-1kx+121=0 | | -2x^2-20+48=0 | | 7m-2(m+3)=m+6+m | | 7m-2(m+3)=m+6+4 |

Equations solver categories