(7x)(7x)=1

Solution for (7x)(7x)=1 equation:

Simplifying
(7x)(7x) = 1

Remove parenthesis around (7x)
7x(7x) = 1

Remove parenthesis around (7x)
7x * 7x = 1

Reorder the terms for easier multiplication:
7 * 7x * x = 1

Multiply 7 * 7
49x * x = 1

Multiply x * x
49x2 = 1

Solving
49x2 = 1

Solving for variable 'x'.

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

Divide each side by '49'.
x2 = 0.02040816327

Simplifying
x2 = 0.02040816327

Take the square root of each side:
x = {-0.142857143, 0.142857143}