x^2-9x^2=-16

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Solution for x^2-9x^2=-16 equation: 


Simplifying
x2 + -9x2 = -16

Combine like terms: x2 + -9x2 = -8x2
-8x2 = -16

Solving
-8x2 = -16

Solving for variable 'x'.

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

Divide each side by '-8'.
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}

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