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Simplifying
-8p2 = -392
Solving
-8p2 = -392
Solving for variable 'p'.
Move all terms containing p to the left, all other terms to the right.
Divide each side by '-8'.
p2 = 49
Simplifying
p2 = 49
Take the square root of each side:
p = {-7, 7}
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