x(5x+18)=8

Simple and best practice solution for x(5x+18)=8 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(5x+18)=8 equation: 


Simplifying
x(5x + 18) = 8

Reorder the terms:
x(18 + 5x) = 8
(18 * x + 5x * x) = 8
(18x + 5x2) = 8

Solving
18x + 5x2 = 8

Solving for variable 'x'.

Reorder the terms:
-8 + 18x + 5x2 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + 18x + 5x2 = 0

Factor a trinomial.
(-4 + -1x)(2 + -5x) = 0


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

Simplifying
-4 + -1x = 0

Solving
-4 + -1x = 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 + -1x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = 0 + 4
-1x = 0 + 4

Combine like terms: 0 + 4 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

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

Simplifying
2 + -5x = 0

Solving
2 + -5x = 0

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

Add '-2' to each side of the equation.
2 + -2 + -5x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -5x = 0 + -2
-5x = 0 + -2

Combine like terms: 0 + -2 = -2
-5x = -2

Divide each side by '-5'.
x = 0.4

Simplifying
x = 0.4
Solution
x = {-4, 0.4}

See similar equations:

| x^2-49=48x | | -4x-3y=5 | | x^2+3x+7=5 | | 2(5y-5)=9(2y-b) | | x^2+2x=2 | | 3w+2=2-10w | | 4(5y-(y-1))=7(y-2) | | 5p=35 | | 7y^2=-4y | | 2(x+3)=-18 | | 2(3x+2)=-18 | | 2(3x+2)=20 | | y^2=13y+1 | | M^2-144=0 | | -2x+2y=8 | | 5x^2-x-22=0 | | -x-y=4 | | x+y=-2 | | 9x^2+9x=4 | | 12y^2+7y=10 | | 6r-19=41 | | 4.9t^2+26t+0.25=0 | | -3x+2y=4 | | 2x^2-6x=x-3 | | 6y=9x+9 | | 3x-2y=-3 | | 38x-7=26(x-3) | | 3b=3.6 | | 50+1200x=0 | | m^2-12=0 | | 12y=9x+15 | | 3x=4y-5 |

Equations solver categories