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

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


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

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

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

Multiply (9 + 2x) * (-8 + 9x)
(9(-8 + 9x) + 2x * (-8 + 9x)) = 0
((-8 * 9 + 9x * 9) + 2x * (-8 + 9x)) = 0
((-72 + 81x) + 2x * (-8 + 9x)) = 0
(-72 + 81x + (-8 * 2x + 9x * 2x)) = 0
(-72 + 81x + (-16x + 18x2)) = 0

Combine like terms: 81x + -16x = 65x
(-72 + 65x + 18x2) = 0

Solving
-72 + 65x + 18x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -2x)(8 + -9x) = 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 + -9x)' equal to zero and attempt to solve:

Simplifying
8 + -9x = 0

Solving
8 + -9x = 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 + -9x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -9x = 0 + -8
-9x = 0 + -8

Combine like terms: 0 + -8 = -8
-9x = -8

Divide each side by '-9'.
x = 0.8888888889

Simplifying
x = 0.8888888889
Solution
x = {-4.5, 0.8888888889}

See similar equations:

| 2x+10=(5x-17) | | 2x+5=(6x-15) | | 7y-3=6-(3-y) | | 12a-14=14-2a | | cosx=5+6 | | 6-6(8+n)=-84 | | x^2-56x-768=0 | | -2x^2+11x=-21 | | 24-16x=5x-3(9x+3) | | 4x+9=69-9x | | 96+96+2b=360 | | 5x-15=2x+2 | | 3(8+6n)=40 | | 6=-3xD | | 2v-(-2)=8 | | 3(z-2)=7z+3 | | 10x=6+9x | | 2z+21=-2-5z | | X+0.3=33 | | y/12=8/5 | | 4x+7+5x-4= | | (3.4*t)+19.36=-10.22 | | -5(x-2)-1=5-x | | P-1=6p+24 | | 0.5x=36+5 | | x(4x-11)-11=20 | | 4y+10=3y | | -15=-7n-8n | | 4x=3+5y | | M^9+7=3 | | 8=3v+2 | | 4y+2=-3(8-12y) |

Equations solver categories