(9x+8)(9x+8)=9

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


Simplifying
(9x + 8)(9x + 8) = 9

Reorder the terms:
(8 + 9x)(9x + 8) = 9

Reorder the terms:
(8 + 9x)(8 + 9x) = 9

Multiply (8 + 9x) * (8 + 9x)
(8(8 + 9x) + 9x * (8 + 9x)) = 9
((8 * 8 + 9x * 8) + 9x * (8 + 9x)) = 9
((64 + 72x) + 9x * (8 + 9x)) = 9
(64 + 72x + (8 * 9x + 9x * 9x)) = 9
(64 + 72x + (72x + 81x2)) = 9

Combine like terms: 72x + 72x = 144x
(64 + 144x + 81x2) = 9

Solving
64 + 144x + 81x2 = 9

Solving for variable 'x'.

Reorder the terms:
64 + -9 + 144x + 81x2 = 9 + -9

Combine like terms: 64 + -9 = 55
55 + 144x + 81x2 = 9 + -9

Combine like terms: 9 + -9 = 0
55 + 144x + 81x2 = 0

Factor a trinomial.
(11 + 9x)(5 + 9x) = 0


Subproblem 1
Set the factor '(11 + 9x)' equal to zero and attempt to solve:

Simplifying
11 + 9x = 0

Solving
11 + 9x = 0

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

Add '-11' to each side of the equation.
11 + -11 + 9x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 9x = 0 + -11
9x = 0 + -11

Combine like terms: 0 + -11 = -11
9x = -11

Divide each side by '9'.
x = -1.222222222

Simplifying
x = -1.222222222

Subproblem 2
Set the factor '(5 + 9x)' equal to zero and attempt to solve:

Simplifying
5 + 9x = 0

Solving
5 + 9x = 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 + 9x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 9x = 0 + -5
9x = 0 + -5

Combine like terms: 0 + -5 = -5
9x = -5

Divide each side by '9'.
x = -0.5555555556

Simplifying
x = -0.5555555556
Solution
x = {-1.222222222, -0.5555555556}

See similar equations:

| a^2-ab-72b^2=0 | | 4n^2-15n-4=0 | | 5v^2+13v=-6 | | 9-5z=24 | | 8c+3d-5(9c-7d)= | | -3p+3=21 | | 3y-7=-22 | | 2(8t^2-8t+1)(1-2t)+8t^2-8t+1+8t^2=0 | | (2x-1)(2x-1)=25 | | (5x-45)(x-9)=30 | | 5(x-9)(x-9)=30 | | 2+-3c=7 | | 5x+1+3x=73 | | 7r^2=70r-175 | | (5y-9)(4+y)=0 | | x^3+3x^2+54=0 | | -2z(z-9)(z+5)=0 | | -8(t-9)-(t+1)=6 | | (20-x)(23-x)=340 | | 2=1x+b | | 42=7+-2b | | 45=7+-2b | | 42=7-2b | | 7x-8=5x+2 | | 8x-6=10x+4 | | 3x+10=5(10) | | 9x+7=6x+5 | | x^2+13x-420=0 | | x*7x= | | 3n+6=90 | | 4=0.3x^2-x-8 | | 2x^2+x=1 |

Equations solver categories