k^2+6k=7

Simple and best practice solution for k^2+6k=7 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+6k=7 equation:


Simplifying
k2 + 6k = 7

Reorder the terms:
6k + k2 = 7

Solving
6k + k2 = 7

Solving for variable 'k'.

Reorder the terms:
-7 + 6k + k2 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + 6k + k2 = 0

Factor a trinomial.
(-7 + -1k)(1 + -1k) = 0

Subproblem 1

Set the factor '(-7 + -1k)' equal to zero and attempt to solve: Simplifying -7 + -1k = 0 Solving -7 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1k = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1k = 0 + 7 -1k = 0 + 7 Combine like terms: 0 + 7 = 7 -1k = 7 Divide each side by '-1'. k = -7 Simplifying k = -7

Subproblem 2

Set the factor '(1 + -1k)' equal to zero and attempt to solve: Simplifying 1 + -1k = 0 Solving 1 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1k = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1k = 0 + -1 -1k = 0 + -1 Combine like terms: 0 + -1 = -1 -1k = -1 Divide each side by '-1'. k = 1 Simplifying k = 1

Solution

k = {-7, 1}

See similar equations:

| x^3+4x^2+2x=0 | | -275000+45000=0 | | -9-6w+30= | | k^2-6k=7 | | (7b-9)-2(3b+4)=-5 | | 6x-3.5=14.5 | | 5x+6x-12-8x-24= | | 5t-7=-27 | | 2y-6=4y+6 | | 1/2(2n-4)-2n | | 3x+5x=84 | | 2x-2/5+7.5 | | 2x-2/5+7/5 | | 7(7x-6)=154 | | 2x-2/5=75 | | 2+2n=3n-(3n+4) | | 9x^4+15x^2-1=0 | | 6(k-7)=-84 | | -2a+8+9a=6a-3a | | 2x+11=6x+1 | | -s=70 | | 145-7x=20x+19 | | 6.4x+2=5.4x | | 2x^3+7x^2+5x=0 | | 3/1/8+5/1/6 | | 14-7x=69-42x | | -15-4x=63x | | -13=8+3m | | 8x^3-6x-1=0 | | a^2=-2a+35 | | 4-9t=23 | | 5/6b+18=-32 |

Equations solver categories