81x^2-10=25

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Solution for 81x^2-10=25 equation:


Simplifying
81x2 + -10 = 25

Reorder the terms:
-10 + 81x2 = 25

Solving
-10 + 81x2 = 25

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 81x2 = 25 + 10

Combine like terms: -10 + 10 = 0
0 + 81x2 = 25 + 10
81x2 = 25 + 10

Combine like terms: 25 + 10 = 35
81x2 = 35

Divide each side by '81'.
x2 = 0.4320987654

Simplifying
x2 = 0.4320987654

Take the square root of each side:
x = {-0.657342198, 0.657342198}

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