Ответ:
a) (u-4)^2 = (u^2 - 8u + 16)
b) (4a + 1)^2 = (16a^2 + 8a + 1)
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Ответ:
a) (u-4)^2 = (u^2 - 8u + 16)
b) (4a + 1)^2 = (16a^2 + 8a + 1)