36.25k^2+1.8k=.64

Simple and best practice solution for 36.25k^2+1.8k=.64 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 36.25k^2+1.8k=.64 equation:


Simplifying
36.25k2 + 1.8k = 0.64

Reorder the terms:
1.8k + 36.25k2 = 0.64

Solving
1.8k + 36.25k2 = 0.64

Solving for variable 'k'.

Reorder the terms:
-0.64 + 1.8k + 36.25k2 = 0.64 + -0.64

Combine like terms: 0.64 + -0.64 = 0.00
-0.64 + 1.8k + 36.25k2 = 0.00

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

Divide each side by '36.25'.
-0.01765517241 + 0.04965517241k + k2 = 0

Move the constant term to the right:

Add '0.01765517241' to each side of the equation.
-0.01765517241 + 0.04965517241k + 0.01765517241 + k2 = 0 + 0.01765517241

Reorder the terms:
-0.01765517241 + 0.01765517241 + 0.04965517241k + k2 = 0 + 0.01765517241

Combine like terms: -0.01765517241 + 0.01765517241 = 0.00000000000
0.00000000000 + 0.04965517241k + k2 = 0 + 0.01765517241
0.04965517241k + k2 = 0 + 0.01765517241

Combine like terms: 0 + 0.01765517241 = 0.01765517241
0.04965517241k + k2 = 0.01765517241

The k term is 0.04965517241k.  Take half its coefficient (0.02482758621).
Square it (0.0006164090370) and add it to both sides.

Add '0.0006164090370' to each side of the equation.
0.04965517241k + 0.0006164090370 + k2 = 0.01765517241 + 0.0006164090370

Reorder the terms:
0.0006164090370 + 0.04965517241k + k2 = 0.01765517241 + 0.0006164090370

Combine like terms: 0.01765517241 + 0.0006164090370 = 0.018271581447
0.0006164090370 + 0.04965517241k + k2 = 0.018271581447

Factor a perfect square on the left side:
(k + 0.02482758621)(k + 0.02482758621) = 0.018271581447

Calculate the square root of the right side: 0.135172414

Break this problem into two subproblems by setting 
(k + 0.02482758621) equal to 0.135172414 and -0.135172414.

Subproblem 1

k + 0.02482758621 = 0.135172414 Simplifying k + 0.02482758621 = 0.135172414 Reorder the terms: 0.02482758621 + k = 0.135172414 Solving 0.02482758621 + k = 0.135172414 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-0.02482758621' to each side of the equation. 0.02482758621 + -0.02482758621 + k = 0.135172414 + -0.02482758621 Combine like terms: 0.02482758621 + -0.02482758621 = 0.00000000000 0.00000000000 + k = 0.135172414 + -0.02482758621 k = 0.135172414 + -0.02482758621 Combine like terms: 0.135172414 + -0.02482758621 = 0.11034482779 k = 0.11034482779 Simplifying k = 0.11034482779

Subproblem 2

k + 0.02482758621 = -0.135172414 Simplifying k + 0.02482758621 = -0.135172414 Reorder the terms: 0.02482758621 + k = -0.135172414 Solving 0.02482758621 + k = -0.135172414 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-0.02482758621' to each side of the equation. 0.02482758621 + -0.02482758621 + k = -0.135172414 + -0.02482758621 Combine like terms: 0.02482758621 + -0.02482758621 = 0.00000000000 0.00000000000 + k = -0.135172414 + -0.02482758621 k = -0.135172414 + -0.02482758621 Combine like terms: -0.135172414 + -0.02482758621 = -0.16000000021 k = -0.16000000021 Simplifying k = -0.16000000021

Solution

The solution to the problem is based on the solutions from the subproblems. k = {0.11034482779, -0.16000000021}

See similar equations:

| f(x)=2x^2+8x-9 | | z^2-(3-2i)z+5=0 | | 2a^2+a=64 | | t^2=0 | | z^2+z^3+z^4+z^5+z^6=6 | | f(x)=x^2-12x+30 | | (X+2)2=3(x+2) | | 0=p+18+15 | | 4x^2+800x-5781.6=0 | | (120/20)/(2x3) | | 2y/3=?/6 | | 0.000000297040487429811*x^4-26.16068201*x^2-97000000=0 | | 2r-4/r=8/6 | | 3r-4/r=8/6 | | 2.97040487429811E-07*x^4-26.16068201*x^2-97000000=0 | | 2x+2x+2x=192findx | | 4x+2x-8=6 | | 7/12a=42 | | x+2x=695 | | -x^2-3x+5=f(x) | | 2s=166 | | 0.00000029704*x^4-26.16068201*x^2-97000000=0 | | -5/6*24/31 | | 2x^2-12x+4=f(x) | | 0.12m-.6=-.06 | | X-(X*7.65)=8600 | | x^4y+y^2=0 | | y=4.5(5) | | 6x-14=5x+25 | | y=6.5(4) | | 5+2=12-4 | | (x^4+2y)(dy)=0 |

Equations solver categories