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= -21p² + 54p - 24
2. (-2x - 8y)(-6x - 6y) = 12x² + 12xy + 48xy + 48y²
= 12x² + 60xy + 48y²
= -21p² + 12p + 42p - 24
= -21p² + 54p - 24
2) (-2x-8y) (-6x-6y) = -2x (-6x-6y) - 8y(-6x-6y)
= 12x² + 12xy + 48xy + 48y²
= 12x² + 60xy + 48y²
semoga bener jawaban nya :)