(x+1)(5x+8)=0

Simple and best practice solution for (x+1)(5x+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+1)(5x+8)=0 equation: 


Simplifying
(x + 1)(5x + 8) = 0

Reorder the terms:
(1 + x)(5x + 8) = 0

Reorder the terms:
(1 + x)(8 + 5x) = 0

Multiply (1 + x) * (8 + 5x)
(1(8 + 5x) + x(8 + 5x)) = 0
((8 * 1 + 5x * 1) + x(8 + 5x)) = 0
((8 + 5x) + x(8 + 5x)) = 0
(8 + 5x + (8 * x + 5x * x)) = 0
(8 + 5x + (8x + 5x2)) = 0

Combine like terms: 5x + 8x = 13x
(8 + 13x + 5x2) = 0

Solving
8 + 13x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(8 + 5x)(1 + x) = 0


Subproblem 1
Set the factor '(8 + 5x)' equal to zero and attempt to solve:

Simplifying
8 + 5x = 0

Solving
8 + 5x = 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 + 5x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 5x = 0 + -8
5x = 0 + -8

Combine like terms: 0 + -8 = -8
5x = -8

Divide each side by '5'.
x = -1.6

Simplifying
x = -1.6

Subproblem 2
Set the factor '(1 + x)' equal to zero and attempt to solve:

Simplifying
1 + x = 0

Solving
1 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + x = 0 + -1
x = 0 + -1

Combine like terms: 0 + -1 = -1
x = -1

Simplifying
x = -1
Solution
x = {-1.6, -1}

See similar equations:

| 4a+5-3=2a+(4)(2) | | -2m-19-5(m-4)=4m-(6m-8)-7m+3 | | 9x+5y=-13 | | 12x-19=9+11x | | 0.008(1-k)+0.08(k-8)=1 | | -45*14n=n^2 | | 200x+350=400x+400 | | 7386-67x=6250 | | -7(6x+2)=-518 | | 16x^2+80x+96=0 | | 5-9y=-50 | | 4y+2x=99 | | -6(1-2x)=18 | | 4v^6-20v^3+25=0 | | 4+9y=41 | | 4x^2+88x-416=0 | | -24x^4y^5-20x^6y^4= | | 7(-7x+8)=-385 | | x^2+3x^2-16x-48=0 | | 2X+4Y=99 | | -3(8-4x)=13 | | 3*2x+6=18 | | h=-16t^2+4t+20 | | -30x^5y^7-24x^8y^6= | | (2n+21)+(4n+33)=180 | | 9x-2=9(x-4) | | X+225000=625000000 | | 3(2x+6)=18 | | -(8)+(-3)+(+10)= | | 30=l(l+4) | | -2(4x+1)=78 | | 7(x-8)+26=2(x-5) |

Equations solver categories