9x*9x-25=0

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Solution for 9x*9x-25=0 equation: 


Simplifying
9x * 9x + -25 = 0

Reorder the terms for easier multiplication:
9 * 9x * x + -25 = 0

Multiply 9 * 9
81x * x + -25 = 0

Multiply x * x
81x2 + -25 = 0

Reorder the terms:
-25 + 81x2 = 0

Solving
-25 + 81x2 = 0

Solving for variable 'x'.

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

Add '25' to each side of the equation.
-25 + 25 + 81x2 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 81x2 = 0 + 25
81x2 = 0 + 25

Combine like terms: 0 + 25 = 25
81x2 = 25

Divide each side by '81'.
x2 = 0.3086419753

Simplifying
x2 = 0.3086419753

Take the square root of each side:
x = {-0.555555556, 0.555555556}

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