(x+9)*(x+8)=0

Simple and best practice solution for (x+9)*(x+8)=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+9)*(x+8)=0 equation:


Simplifying
(x + 9)(x + 8) = 0

Reorder the terms:
(9 + x)(x + 8) = 0

Reorder the terms:
(9 + x)(8 + x) = 0

Multiply (9 + x) * (8 + x)
(9(8 + x) + x(8 + x)) = 0
((8 * 9 + x * 9) + x(8 + x)) = 0
((72 + 9x) + x(8 + x)) = 0
(72 + 9x + (8 * x + x * x)) = 0
(72 + 9x + (8x + x2)) = 0

Combine like terms: 9x + 8x = 17x
(72 + 17x + x2) = 0

Solving
72 + 17x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(9 + x)(8 + 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 '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Solution

x = {-9, -8}

See similar equations:

| (3x^2+5x)+(-2x^2-8x)= | | 9(z-5)=-36 | | 3-4x+2=3 | | (x+3)+x=4 | | 4(z-9)=-12 | | 5x+1.3=9.3 | | 2x^2-2x-108=0 | | n*79=19 | | 2(5z+2)=44 | | 6x+13=-31-5x | | (2x+4)+(3x-5)= | | .125*x=625 | | 6(x-6)=18 | | 6p-6+1= | | 0=2x^2-2 | | -3(-x-3)-5x-4=-15 | | 4x+5-5x=25 | | y=1.3*-7+22 | | -2(4x+4)+x+3=-19 | | y=60x+10 | | 2x+5x-12= | | 4(5x-5)+3x+4=76 | | x^3=9x+5 | | (3x-5)+x=2 | | (2x-3y)dx+(4x+9y)=0 | | r=(y+10)(y+8) | | 49+10x=400+7x | | -4(-2x+4)-5x+1=-9 | | 5(2-8)=x | | 5g+3= | | Msquare-7=18 | | 5(x+3)=x+1 |

Equations solver categories