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Simplifying
9x2 + -144 = 576
Reorder the terms:
-144 + 9x2 = 576
Solving
-144 + 9x2 = 576
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '144' to each side of the equation.
-144 + 144 + 9x2 = 576 + 144
Combine like terms: -144 + 144 = 0
0 + 9x2 = 576 + 144
9x2 = 576 + 144
Combine like terms: 576 + 144 = 720
9x2 = 720
Divide each side by '9'.
x2 = 80
Simplifying
x2 = 80
Take the square root of each side:
x = {-8.94427191, 8.94427191}
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