(5x+4)(5x-8)=0

Simple and best practice solution for (5x+4)(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 (5x+4)(5x-8)=0 equation: 


Simplifying
(5x + 4)(5x + -8) = 0

Reorder the terms:
(4 + 5x)(5x + -8) = 0

Reorder the terms:
(4 + 5x)(-8 + 5x) = 0

Multiply (4 + 5x) * (-8 + 5x)
(4(-8 + 5x) + 5x * (-8 + 5x)) = 0
((-8 * 4 + 5x * 4) + 5x * (-8 + 5x)) = 0
((-32 + 20x) + 5x * (-8 + 5x)) = 0
(-32 + 20x + (-8 * 5x + 5x * 5x)) = 0
(-32 + 20x + (-40x + 25x2)) = 0

Combine like terms: 20x + -40x = -20x
(-32 + -20x + 25x2) = 0

Solving
-32 + -20x + 25x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -5x)(8 + -5x) = 0


Subproblem 1
Set the factor '(-4 + -5x)' equal to zero and attempt to solve:

Simplifying
-4 + -5x = 0

Solving
-4 + -5x = 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 + -5x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -5x = 0 + 4
-5x = 0 + 4

Combine like terms: 0 + 4 = 4
-5x = 4

Divide each side by '-5'.
x = -0.8

Simplifying
x = -0.8

Subproblem 2
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
Solution
x = {-0.8, 1.6}

See similar equations:

| -8+3x=-24+17x | | y+8=4(x-5) | | 3a-8a+10=10 | | (4*3)*3-6*(9/3)= | | -.22x^2+23x-251=0 | | 4x^2+5xy+y^2= | | 31-2x=11-7x | | 6x+6-7x=-3 | | 7x(3x+2)=5x(5x-2) | | 8-x-2x=-10 | | -2=4x-3x-9 | | 16=4x+7x-6 | | 16=4x+x | | x+1.6x=1 | | x+9-5x=-23 | | -.22x^2+30x-210=0 | | -4x+6+6x=20 | | 6-x+2x=-3 | | x*12=-36 | | -13y=169 | | -27=-3x-6x+9 | | 5=-5x+6x-1 | | 7x+9+3x=-81 | | 72x+15=24 | | -21=5x+3x+1 | | s+m=hform | | -12t-52=-16 | | a+7=4a-14 | | 4y-6=y+12 | | 5y-2(4k+5)= | | -8=-4+2x+8 | | Y=mx+nx^2 |

Equations solver categories