9k^2-6=-21

Simple and best practice solution for 9k^2-6=-21 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 9k^2-6=-21 equation:


Simplifying
9k2 + -6 = -21

Reorder the terms:
-6 + 9k2 = -21

Solving
-6 + 9k2 = -21

Solving for variable 'k'.

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

Add '6' to each side of the equation.
-6 + 6 + 9k2 = -21 + 6

Combine like terms: -6 + 6 = 0
0 + 9k2 = -21 + 6
9k2 = -21 + 6

Combine like terms: -21 + 6 = -15
9k2 = -15

Divide each side by '9'.
k2 = -1.666666667

Simplifying
k2 = -1.666666667

Reorder the terms:
1.666666667 + k2 = -1.666666667 + 1.666666667

Combine like terms: -1.666666667 + 1.666666667 = 0.000000000
1.666666667 + k2 = 0.000000000

The solution to this equation could not be determined.

See similar equations:

| -78=-10x+12 | | 9/27x | | 10/2=4 | | 4(3.14)(9)= | | 4+10c=6 | | 2(2)+3y=15 | | 1/3x=10=55 | | 8x-42= | | 2r^2-8=56 | | 8m+3-6m= | | 6x-15=-33 | | -7/6=13/4x | | 4m+9+5m-11=42 | | K-27=-38 | | 4(3.14)(7)= | | y-7=-2/8 | | 21=-7x-7 | | v^2-9=39 | | 4(3.14)(6)= | | 39=2-4x | | X^9-x=0 | | 2s/3=3=7 | | 0.5(x+20)+0.5x=40 | | 2(3q-2)=#q=5 | | -28m-9=107 | | -24=2y | | 4(3.14)(10)= | | 2(1)+3y=15 | | x/10-9=-8 | | h=-16t^2-17t+130 | | -9a^2=729 | | -14x=-154 |

Equations solver categories