k^2+8=3k

Simple and best practice solution for k^2+8=3k 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+8=3k equation:


Simplifying
k2 + 8 = 3k

Reorder the terms:
8 + k2 = 3k

Solving
8 + k2 = 3k

Solving for variable 'k'.

Reorder the terms:
8 + -3k + k2 = 3k + -3k

Combine like terms: 3k + -3k = 0
8 + -3k + k2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -3k + -8 + k2 = 0 + -8

Reorder the terms:
8 + -8 + -3k + k2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -3k + k2 = 0 + -8
-3k + k2 = 0 + -8

Combine like terms: 0 + -8 = -8
-3k + k2 = -8

The k term is -3k.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3k + 2.25 + k2 = -8 + 2.25

Reorder the terms:
2.25 + -3k + k2 = -8 + 2.25

Combine like terms: -8 + 2.25 = -5.75
2.25 + -3k + k2 = -5.75

Factor a perfect square on the left side:
(k + -1.5)(k + -1.5) = -5.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| (21/7)p=-3 | | 3x+15=-7x-19 | | 4a^2=4 | | 5x^2-96x-2000=0 | | (-3c+12)(-3c+12)= | | 6v^2+2v-13=0 | | 8(x^2-1)=24 | | X^4-16x= | | 1/2tan(-2x)=-.65 | | 0.8x^2-10x-2=0 | | 5.8=8.5 | | (8x-36)(8x-36)= | | (4x^2)-256=0 | | 2x-1+x+7+x-4=180 | | 3(2l+8)=36 | | 10x-71=5x-11 | | 3x*y^2*y^2-2*y^3=x^3 | | 6*-9.6-x+8=0 | | x^3-18x^2-36=0 | | f(x)=5x^3-15x^2 | | 25x+9x=25-14 | | 4y=87 | | 5cosx=1/cosx | | 3a^2-96=12a | | 9x+4z=127 | | 5(2y-4)=(5y-10) | | 8x51/4= | | Y=3(x-1)-2 | | 3x=6x-45 | | 5x+4y+4x=150-26 | | 9y-7=-7y+2 | | 18x^6-14x^4/2x^3 |

Equations solver categories