Mathematics, 01.07.2019 15:50 annethelusma25

How would you solve (3a-4)^2? according to my teacher the answer is (3(a-1))^2 = 9a^2 - 18 a + 9

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How would you solve (3a-4)^2? according to my teacher the answer is (3(a-1))^2 = 9a^2 - 18 a + 9...