what is (x^)3 + (3x)^3 +3x …
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Sia ? 5 years, 9 months ago
Let p(x) = x3 + 3x2 + 3x + 1
5 + 2x = 0
⇒ 2x = -5
⇒ x = -52
= (-52)3 + 3(-52)2 + 3(-52) + 1
= -1258 + 754 - 152 + 1 = -278
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