k^2-3k+5=0

Simple and best practice solution for k^2-3k+5=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 k^2-3k+5=0 equation:


Simplifying
k2 + -3k + 5 = 0

Reorder the terms:
5 + -3k + k2 = 0

Solving
5 + -3k + k2 = 0

Solving for variable 'k'.

Begin completing the square.

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + -3k + -5 + k2 = 0 + -5

Reorder the terms:
5 + -5 + -3k + k2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -3k + k2 = 0 + -5
-3k + k2 = 0 + -5

Combine like terms: 0 + -5 = -5
-3k + k2 = -5

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 = -5 + 2.25

Reorder the terms:
2.25 + -3k + k2 = -5 + 2.25

Combine like terms: -5 + 2.25 = -2.75
2.25 + -3k + k2 = -2.75

Factor a perfect square on the left side:
(k + -1.5)(k + -1.5) = -2.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4y-7=2(y+1) | | F=1.8(37)+32 | | 5y-20=10 | | 12x^5+15x+9=0 | | -x^2+15x+54=0 | | K=10+273 | | 2x+6=-26-6x | | 4y-1=2y+2 | | X^2=3(5x+18) | | 5x+5-2x=29 | | 9+6x=x+59 | | (3x-2)(x-2)=4x-36 | | 20y-16=18-9 | | K=40+273 | | 4(3a-2)+3a=19 | | F=1.8(40)+32 | | 7x-10=114-6x | | 305=5x^3 | | K=30+273 | | -6+7x=x-12 | | 3(2x+5)=11-4x | | 6y(4y-3)+15y= | | 15x+5=80 | | 5-2(-3/5)=3(-3/5)+8 | | 4-2(x+5)=9 | | F=1.8(30)+32 | | 3x-6x^2=0 | | 7-x-6x=-28 | | 160=-8(1-3p) | | 7(m-1)-6(m+5)=-37 | | (2x+3y-4z)-(x-y-z)= | | 6y+14=15-9y+14 |

Equations solver categories