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= -6x² + 11x - 4
b) (-3p + 1)² = (-3p + 1) (-3p + 1)
= 9p² - 3p - 3p + 1
= 9p² - 6p + 1
semoga membantu ya :)
b. (-3p+1)² = (-3p+1) (-3p+1) = 9p-3p-3p+1 =9p-6p+1