(8x+1)(-9x+1)=

Solution for (8x+1)(-9x+1)= equation:

Simplifying
(8x + 1)(-9x + 1) = 0

Reorder the terms:
(1 + 8x)(-9x + 1) = 0

Reorder the terms:
(1 + 8x)(1 + -9x) = 0

Multiply (1 + 8x) * (1 + -9x)
(1(1 + -9x) + 8x * (1 + -9x)) = 0
((1 * 1 + -9x * 1) + 8x * (1 + -9x)) = 0
((1 + -9x) + 8x * (1 + -9x)) = 0
(1 + -9x + (1 * 8x + -9x * 8x)) = 0
(1 + -9x + (8x + -72x2)) = 0

Combine like terms: -9x + 8x = -1x
(1 + -1x + -72x2) = 0

Solving
1 + -1x + -72x2 = 0

Solving for variable 'x'.

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

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

Simplifying
1 + -9x = 0

Solving
1 + -9x = 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 + -9x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -9x = 0 + -1
-9x = 0 + -1

Combine like terms: 0 + -1 = -1
-9x = -1

Divide each side by '-9'.
x = 0.1111111111

Simplifying
x = 0.1111111111
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 = {0.1111111111, -0.125}