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Simplifying
63x2 + 72x2 = 0
Combine like terms: 63x2 + 72x2 = 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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