(7x+5)(x+8)=0

Simple and best practice solution for (7x+5)(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 (7x+5)(x+8)=0 equation: 


Simplifying
(7x + 5)(x + 8) = 0

Reorder the terms:
(5 + 7x)(x + 8) = 0

Reorder the terms:
(5 + 7x)(8 + x) = 0

Multiply (5 + 7x) * (8 + x)
(5(8 + x) + 7x * (8 + x)) = 0
((8 * 5 + x * 5) + 7x * (8 + x)) = 0
((40 + 5x) + 7x * (8 + x)) = 0
(40 + 5x + (8 * 7x + x * 7x)) = 0
(40 + 5x + (56x + 7x2)) = 0

Combine like terms: 5x + 56x = 61x
(40 + 61x + 7x2) = 0

Solving
40 + 61x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(8 + x)(5 + 7x) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(5 + 7x)' equal to zero and attempt to solve:

Simplifying
5 + 7x = 0

Solving
5 + 7x = 0

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

Add '-5' to each side of the equation.
5 + -5 + 7x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 7x = 0 + -5
7x = 0 + -5

Combine like terms: 0 + -5 = -5
7x = -5

Divide each side by '7'.
x = -0.7142857143

Simplifying
x = -0.7142857143
Solution
x = {-8, -0.7142857143}

See similar equations:

| X=(x-18)4 | | 4(3x+-5)=-8+12x | | 5(4-3x)+7=42 | | 32=8z | | 6x-7=-1(-9+2x) | | 225t+500=1350t+1400 | | ln(5x-100)=lnx | | y=-7+28 | | -k-6-7k+17=10 | | x^7-4x^3-x^3+4x= | | 9.2=s+5.7 | | 5b+6=22 | | 1.7=2y+9.3 | | 4x+10=-20-2x | | 3(5+3x)=15 | | 8x+2=4X-3+4X | | (x-20)=130 | | 20x+100=0 | | 5(a-8)+19=3(a-5) | | x+(2x)(ln(x))=0 | | 15x-60=15(2x)-420 | | 5x-2y=-21 | | 4x-20=2x-14 | | 6x=331 | | X+6x=26 | | x+(2x)(lnx)=0 | | y-16=2y+4 | | 9+2g+-5=4g | | 0.2x-0.6(3-x)=0.2 | | x-(4x-7)=5x-x(x+21) | | 2x-6=6x+10 | | -108=-4(5r-3) |

Equations solver categories