(4x+8)(2x-9)=

Simple and best practice solution for (4x+8)(2x-9)= 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+8)(2x-9)= equation: 


Simplifying
(4x + 8)(2x + -9) = 0

Reorder the terms:
(8 + 4x)(2x + -9) = 0

Reorder the terms:
(8 + 4x)(-9 + 2x) = 0

Multiply (8 + 4x) * (-9 + 2x)
(8(-9 + 2x) + 4x * (-9 + 2x)) = 0
((-9 * 8 + 2x * 8) + 4x * (-9 + 2x)) = 0
((-72 + 16x) + 4x * (-9 + 2x)) = 0
(-72 + 16x + (-9 * 4x + 2x * 4x)) = 0
(-72 + 16x + (-36x + 8x2)) = 0

Combine like terms: 16x + -36x = -20x
(-72 + -20x + 8x2) = 0

Solving
-72 + -20x + 8x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-18 + -5x + 2x2) = 0

Factor a trinomial.
4((-2 + -1x)(9 + -2x)) = 0

Ignore the factor 4.

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

Simplifying
-2 + -1x = 0

Solving
-2 + -1x = 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 + -1x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1x = 0 + 2
-1x = 0 + 2

Combine like terms: 0 + 2 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

Subproblem 2
Set the factor '(9 + -2x)' equal to zero and attempt to solve:

Simplifying
9 + -2x = 0

Solving
9 + -2x = 0

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

Add '-9' to each side of the equation.
9 + -9 + -2x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2x = 0 + -9
-2x = 0 + -9

Combine like terms: 0 + -9 = -9
-2x = -9

Divide each side by '-2'.
x = 4.5

Simplifying
x = 4.5
Solution
x = {-2, 4.5}

See similar equations:

| 0.25x-13.5=9 | | -4x^2+150x=1250 | | 2x+5=78 | | b-a=-4 | | 2(2-3x)+(7x-1)=5(x+3) | | Y=-1.33x | | 5b=21+21 | | b+2a=2 | | -15x^2+28x-5=0 | | 6xz+3yz-8x-4y=0 | | 2.2+1x+14= | | 5+4x=7x+6 | | F(s)=ln(ln(3s)) | | -3x^2-15x+72=0 | | 2.2+1x=3 | | 5-1/2(4x-2)=8x | | 2.2+1x+3= | | 2*1.2+x=6.6 | | (2x+1)(3x^2+x+5)= | | x-d=c | | 7=-5-(2x+12) | | m+2m-3=6 | | 2(9+10j)+4(3j+3)= | | 2(5x-4)=3x+2-4(x-3) | | x/2-4=3x/8-6 | | X^2-2x+2=1 | | 9m^2=16 | | 2x^2+17x+8=108 | | 13/17=y/10 | | 2x-7x+x-6= | | 2x-7x+x-6x= | | 3.8s-22.8+4.6=-22 |

Equations solver categories