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Simplifying
9x2 + -144x2 = 0
Combine like terms: 9x2 + -144x2 = -135x2
-135x2 = 0
Solving
-135x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '-135'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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