10² = (3-9)² + (-4-P)²
100 = (-6)² + {(-4-P)(-4-P)}
100 = 36 + 16 + 8P + P²
100 = 52 + 8P + P²
P² + 8P - 48 = 0
(p + 12)(p - 4) = 0
p = -12 atau p = 4
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10² = (3-9)² + (-4-P)²
100 = (-6)² + {(-4-P)(-4-P)}
100 = 36 + 16 + 8P + P²
100 = 52 + 8P + P²
P² + 8P - 48 = 0
(p + 12)(p - 4) = 0
p = -12 atau p = 4