9x^2-25=11

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Solution for 9x^2-25=11 equation: 


Simplifying
9x2 + -25 = 11

Reorder the terms:
-25 + 9x2 = 11

Solving
-25 + 9x2 = 11

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 + 9x2 = 11 + 25

Combine like terms: -25 + 25 = 0
0 + 9x2 = 11 + 25
9x2 = 11 + 25

Combine like terms: 11 + 25 = 36
9x2 = 36

Divide each side by '9'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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