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

Simple and best practice solution for (2x+9)(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 (2x+9)(x-8)=0 equation: 


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

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

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

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

Combine like terms: 9x + -16x = -7x
(-72 + -7x + 2x2) = 0

Solving
-72 + -7x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -2x)(8 + -1x) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(8 + -1x)' equal to zero and attempt to solve:

Simplifying
8 + -1x = 0

Solving
8 + -1x = 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 + -1x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 0 + -8
-1x = 0 + -8

Combine like terms: 0 + -8 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8
Solution
x = {-4.5, 8}

See similar equations:

| (x^2/5)^10 | | -5(y+7)=-20 | | 22.674*15.05= | | 155-1.5x=y | | 4=k*Y | | 4=kxY | | 6x-(4x-9)=27 | | 430+135=x | | -8+2x=16+8x | | 16y+8x+z-400=0 | | 155-x=430 | | 3x+2y=310 | | 13r+5=5r-46 | | 155-x= | | 35-5x=5-8x | | 3x/8=24 | | 7-8[2-(5y-3)]= | | (3x+2y)(4x+3y)=36244 | | 16=4(r+2) | | 15/3a | | Y=-0.3x+10 | | 3m+5=8m-105m | | 2.4/1.8=0.004/y | | 8-8x=40 | | 1/21/7=x/8 | | 3/0.6=1.05/n | | 27^4/3 | | 3x+2y-310=0 | | 5666f+-90+2=98 | | (X-1)/x=.85 | | Y=8x^2-104x+338 | | 4h+6-56=67 |

Equations solver categories