k^2+26k=-29

Simple and best practice solution for k^2+26k=-29 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+26k=-29 equation:


Simplifying
k2 + 26k = -29

Reorder the terms:
26k + k2 = -29

Solving
26k + k2 = -29

Solving for variable 'k'.

Reorder the terms:
29 + 26k + k2 = -29 + 29

Combine like terms: -29 + 29 = 0
29 + 26k + k2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-29' to each side of the equation.
29 + 26k + -29 + k2 = 0 + -29

Reorder the terms:
29 + -29 + 26k + k2 = 0 + -29

Combine like terms: 29 + -29 = 0
0 + 26k + k2 = 0 + -29
26k + k2 = 0 + -29

Combine like terms: 0 + -29 = -29
26k + k2 = -29

The k term is 26k.  Take half its coefficient (13).
Square it (169) and add it to both sides.

Add '169' to each side of the equation.
26k + 169 + k2 = -29 + 169

Reorder the terms:
169 + 26k + k2 = -29 + 169

Combine like terms: -29 + 169 = 140
169 + 26k + k2 = 140

Factor a perfect square on the left side:
(k + 13)(k + 13) = 140

Calculate the square root of the right side: 11.832159566

Break this problem into two subproblems by setting 
(k + 13) equal to 11.832159566 and -11.832159566.

Subproblem 1

k + 13 = 11.832159566 Simplifying k + 13 = 11.832159566 Reorder the terms: 13 + k = 11.832159566 Solving 13 + k = 11.832159566 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + k = 11.832159566 + -13 Combine like terms: 13 + -13 = 0 0 + k = 11.832159566 + -13 k = 11.832159566 + -13 Combine like terms: 11.832159566 + -13 = -1.167840434 k = -1.167840434 Simplifying k = -1.167840434

Subproblem 2

k + 13 = -11.832159566 Simplifying k + 13 = -11.832159566 Reorder the terms: 13 + k = -11.832159566 Solving 13 + k = -11.832159566 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + k = -11.832159566 + -13 Combine like terms: 13 + -13 = 0 0 + k = -11.832159566 + -13 k = -11.832159566 + -13 Combine like terms: -11.832159566 + -13 = -24.832159566 k = -24.832159566 Simplifying k = -24.832159566

Solution

The solution to the problem is based on the solutions from the subproblems. k = {-1.167840434, -24.832159566}

See similar equations:

| 2(2j+10)=6j+4 | | 20+x=3 | | x*7=6(x+2) | | 2x+24=4x-10 | | x^3/2-8=0 | | (x+-5)+30=20+(x+3) | | x^3/2-8 | | 6x-20+x=1842 | | -2=8a-1-10a | | 152/(0.32)= | | 24+8k=8k+6(k-4) | | 3y-3+10x-10=180 | | 4+2+x=17 | | 7p+12=12p+8-8 | | a=30000-1500(12) | | 7x/6=10 | | 2r+3r+20=55 | | 5(x+2)=8(x+11) | | d=2(14)+50 | | x/(-4)=-12 | | 35/5= | | 3a+5+2a=15 | | 15x^2+10x+1=0 | | 2/3x24= | | (x-5)+30=20+(x+3) | | 3e+10=-5e-14 | | 6+1=210 | | 5+9+x=2.1 | | 2/3*24= | | I=36(5) | | 18+8r=2(6r+3) | | ln(x+2)+ln(3x)= |

Equations solver categories