4x(8x+9)=5

Simple and best practice solution for 4x(8x+9)=5 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 4x(8x+9)=5 equation:


Simplifying
4x(8x + 9) = 5

Reorder the terms:
4x(9 + 8x) = 5
(9 * 4x + 8x * 4x) = 5
(36x + 32x2) = 5

Solving
36x + 32x2 = 5

Solving for variable 'x'.

Reorder the terms:
-5 + 36x + 32x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + 36x + 32x2 = 0

Factor a trinomial.
(-5 + -4x)(1 + -8x) = 0

Subproblem 1

Set the factor '(-5 + -4x)' equal to zero and attempt to solve: Simplifying -5 + -4x = 0 Solving -5 + -4x = 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 + -4x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -4x = 0 + 5 -4x = 0 + 5 Combine like terms: 0 + 5 = 5 -4x = 5 Divide each side by '-4'. x = -1.25 Simplifying x = -1.25

Subproblem 2

Set the factor '(1 + -8x)' equal to zero and attempt to solve: Simplifying 1 + -8x = 0 Solving 1 + -8x = 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 + -8x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -8x = 0 + -1 -8x = 0 + -1 Combine like terms: 0 + -1 = -1 -8x = -1 Divide each side by '-8'. x = 0.125 Simplifying x = 0.125

Solution

x = {-1.25, 0.125}

See similar equations:

| 10(13+-5x)=470 | | 470=(13+-5x) | | 76-6x=12x+18 | | 10(-5x+13)=470 | | -7(x+2)-10=14+14 | | =(12x+16)(x-12) | | y=7/3 | | y=0.428571428571429000000 | | 214/100 | | -539=7(9x+13) | | -p+4(2p-3)+3= | | x=1-.6*0.29 | | 5b+6=-2 | | 2xy+4x+8y+16=0 | | 2x^2-15-4=0 | | 7x+9y=9 | | 0.2T=10 | | -3(k+4)+3k= | | 72-5.2x=3.8x | | 9-5.4y-15y=15 | | 3(x-4)+47=-4x | | 3+5(x-6)= | | [-6a^8b^4][5ab^3]= | | 11+2(3y+2)= | | -350=10(-6x+7) | | -350=10(-6x) | | -6.7x=-67x+180.9 | | 9x+5-8x=10 | | =(6x+8)(x-6) | | 8(10x+17)=-344 | | X-6+2x-9/2=c | | 10(-6x+7)=156 |

Equations solver categories