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Simplifying
-9x2 + -45x2 = 0
Combine like terms: -9x2 + -45x2 = -54x2
-54x2 = 0
Solving
-54x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '-54'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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