k^2-2=-1

Simple and best practice solution for k^2-2=-1 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 k^2-2=-1 equation: 


Simplifying
k2 + -2 = -1

Reorder the terms:
-2 + k2 = -1

Solving
-2 + k2 = -1

Solving for variable 'k'.

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

Add '2' to each side of the equation.
-2 + 2 + k2 = -1 + 2

Combine like terms: -2 + 2 = 0
0 + k2 = -1 + 2
k2 = -1 + 2

Combine like terms: -1 + 2 = 1
k2 = 1

Simplifying
k2 = 1

Take the square root of each side:
k = {-1, 1}

See similar equations:

| x=5(180-x)+30 | | -5p-9=-4p | | 6a+2a=8 | | 6+2w=-4 | | 5m+34=-2-7m | | 2c-2c= | | x-75=-75 | | 2x+x+2=5-5x | | 2x-12=15x+.75 | | x=2(180-x)+27 | | 3n-25=350 | | 4x+z=-11 | | 18+(-11)x(-6)= | | 25h+40=15h-8 | | 6(3x-5)-7x=35 | | 6h+24=6h+4 | | (X+4)+59=70 | | -5+9h=10h | | 2.3(y+13)=0.5(y-5) | | 2x+y=880 | | 10r^2+10r+2=0 | | 34-2x=4x-6(x-6) | | x=4(180-x)+40 | | 7-3x=x+64 | | 91=-8+3(5x-7) | | -125=14k | | X=12+5x | | 27x-30x^3=0 | | 6x=92 | | 5(3y+7)=14-3(y-7) | | 4c+2c-b+2a-2c+5b+7= | | 5.6v+1.5=4.1v-3 |

Equations solver categories