(x+4)(x+9)=0

Simple and best practice solution for (x+4)(x+9)=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 (x+4)(x+9)=0 equation:


Simplifying
(x + 4)(x + 9) = 0

Reorder the terms:
(4 + x)(x + 9) = 0

Reorder the terms:
(4 + x)(9 + x) = 0

Multiply (4 + x) * (9 + x)
(4(9 + x) + x(9 + x)) = 0
((9 * 4 + x * 4) + x(9 + x)) = 0
((36 + 4x) + x(9 + x)) = 0
(36 + 4x + (9 * x + x * x)) = 0
(36 + 4x + (9x + x2)) = 0

Combine like terms: 4x + 9x = 13x
(36 + 13x + x2) = 0

Solving
36 + 13x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(9 + x)(4 + x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {-9, -4}

See similar equations:

| .80+.30=x+50 | | Ln(2y+5)-12=18t | | 2p+8+1=5p | | -8n+(1+5n)=6n-14 | | 8p-p=17+18 | | 8a-4=60 | | 8n-5=7n+2 | | 4s-8-3s=7 | | 5x-11=2x+13 | | 3n+2n=15 | | 7r+3=11 | | 8x+3y+8=180 | | 10p-4p-5= | | 7n+12=5 | | 2y+6=20 | | 7W-3=11 | | 11c=3c-24 | | 15+5p=20p | | 2.92= | | 2ln(5x+4)=18 | | 13-6x+3+x=-40+9x | | 10h+3=7h+1 | | 7s-s-3=27 | | 2k=18-14k | | 2(x+10)+2(x-2)=220 | | 3x-6=x+30 | | -2k=18-14k | | 1x+25=.60(x+100) | | y+9=5y-15 | | 6e+5=2e+13 | | -87-13=6h+3h | | 5(z+5)-(-9z-6)=13z |

Equations solver categories