(k+9)(k+2)=0

Simple and best practice solution for (k+9)(k+2)=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+9)(k+2)=0 equation:


Simplifying
(k + 9)(k + 2) = 0

Reorder the terms:
(9 + k)(k + 2) = 0

Reorder the terms:
(9 + k)(2 + k) = 0

Multiply (9 + k) * (2 + k)
(9(2 + k) + k(2 + k)) = 0
((2 * 9 + k * 9) + k(2 + k)) = 0
((18 + 9k) + k(2 + k)) = 0
(18 + 9k + (2 * k + k * k)) = 0
(18 + 9k + (2k + k2)) = 0

Combine like terms: 9k + 2k = 11k
(18 + 11k + k2) = 0

Solving
18 + 11k + k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(9 + k)(2 + k) = 0

Subproblem 1

Set the factor '(9 + k)' equal to zero and attempt to solve: Simplifying 9 + k = 0 Solving 9 + k = 0 Move all terms containing k to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + k = 0 + -9 Combine like terms: 9 + -9 = 0 0 + k = 0 + -9 k = 0 + -9 Combine like terms: 0 + -9 = -9 k = -9 Simplifying k = -9

Subproblem 2

Set the factor '(2 + k)' equal to zero and attempt to solve: Simplifying 2 + k = 0 Solving 2 + k = 0 Move all terms containing k to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + k = 0 + -2 Combine like terms: 2 + -2 = 0 0 + k = 0 + -2 k = 0 + -2 Combine like terms: 0 + -2 = -2 k = -2 Simplifying k = -2

Solution

k = {-9, -2}

See similar equations:

| -40+3z=-9 | | 8+4(k+8)=40-k | | (17b-9)-4(4b+1)=-6 | | 13+12=-26 | | p(x)=30x+5x^2 | | -4-2(3+d)=-14 | | (9x+6)+2x=12 | | 57=64-3y | | 3(1+3a)-3a=4a+19 | | (5h+8)(h-7)=0 | | 4x+84-51=34-5x | | 7p-5=12 | | -2+z=2 | | -8f-7-9=-20 | | -4+4(2n-7)=-2-2n | | (2cosx-1)(2sinx-1)=0 | | A+b+z=2 | | A-24=-42 | | -4+4(2n-7)=2-2n | | 63.14159=x+2y | | (6p+5)(5p-1)=0 | | (5x+1)(12x+9)=180 | | 6y+4=2-y | | -20+7n=6(4n+8) | | 4n(n+1)=0 | | 12x-6x+5+4x=-10x+5 | | 3(2+x)=5x-2 | | X=-16+2x | | (3y+2)(y-5)=0 | | 12x-6x+5+4x=10x+7 | | R/37=10-8 | | 8a+38=-3(6-5a) |

Equations solver categories