28=16x*9x

Solution for 28=16x*9x equation:

Simplifying
28 = 16x * 9x

Reorder the terms for easier multiplication:
28 = 16 * 9x * x

Multiply 16 * 9
28 = 144x * x

Multiply x * x
28 = 144x2

Solving
28 = 144x2

Solving for variable 'x'.

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

Add '-144x2' to each side of the equation.
28 + -144x2 = 144x2 + -144x2

Combine like terms: 144x2 + -144x2 = 0
28 + -144x2 = 0

Add '-28' to each side of the equation.
28 + -28 + -144x2 = 0 + -28

Combine like terms: 28 + -28 = 0
0 + -144x2 = 0 + -28
-144x2 = 0 + -28

Combine like terms: 0 + -28 = -28
-144x2 = -28

Divide each side by '-144'.
x2 = 0.1944444444

Simplifying
x2 = 0.1944444444

Take the square root of each side:
x = {-0.440958552, 0.440958552}