2k^2-16k+43=6

Simple and best practice solution for 2k^2-16k+43=6 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 2k^2-16k+43=6 equation:


Simplifying
2k2 + -16k + 43 = 6

Reorder the terms:
43 + -16k + 2k2 = 6

Solving
43 + -16k + 2k2 = 6

Solving for variable 'k'.

Reorder the terms:
43 + -6 + -16k + 2k2 = 6 + -6

Combine like terms: 43 + -6 = 37
37 + -16k + 2k2 = 6 + -6

Combine like terms: 6 + -6 = 0
37 + -16k + 2k2 = 0

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
18.5 + -8k + k2 = 0

Move the constant term to the right:

Add '-18.5' to each side of the equation.
18.5 + -8k + -18.5 + k2 = 0 + -18.5

Reorder the terms:
18.5 + -18.5 + -8k + k2 = 0 + -18.5

Combine like terms: 18.5 + -18.5 = 0.0
0.0 + -8k + k2 = 0 + -18.5
-8k + k2 = 0 + -18.5

Combine like terms: 0 + -18.5 = -18.5
-8k + k2 = -18.5

The k term is -8k.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8k + 16 + k2 = -18.5 + 16

Reorder the terms:
16 + -8k + k2 = -18.5 + 16

Combine like terms: -18.5 + 16 = -2.5
16 + -8k + k2 = -2.5

Factor a perfect square on the left side:
(k + -4)(k + -4) = -2.5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 7x+5-2x=6(x+1) | | 6(49)= | | 15x+5=11x+33 | | 3(w+3)=-5(4w-5)+9w | | -3(3x+4y)=23 | | -4.5-2.5=-4r-12 | | 82-5x=14x+1 | | 7x+8-5(x+1)=9x+6 | | 40=-1.6x | | -100-2x=44+6x | | F(x)=-56x^2+800x+30000 | | 4x-3/8-2-x/4=5/8 | | 8x=4x+9 | | 5x-2=8y+9 | | B-1=-1-6b | | 3y^2-11y+6= | | 4/53w-11/5 | | 13-2(x+5)= | | x+9y=60 | | 5x-13=3x+53 | | 6.05=2.25+.2(m-1) | | -2(y+7)=4y-7+2(3y+4) | | Y=0.5+1.5 | | 2m(3n+p)= | | 8(3)+22=70 | | 2s+5x=-9 | | 1/4n-6=14 | | -17(-4c+16)= | | 4x-41=9x+24 | | 3x-2x=-4x+2 | | 13=5m-7-5 | | 12x-7x+1=66 |

Equations solver categories