Write the coefficient of x^2 in the expansion of (x-2)^3
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➡HERE IS YOUR ANSWER⬅
(x-2)^3
= x^3 - 6x^2 + 12x - 8
Therefore the coefficient of x^2 is (-6).
♧♧♧Rule♧♧♧
(a-b)^3
= a^3 - 3 a^2 b + 3 a b^2 - b^3
⬆HOPE THIS HELPS YOU⬅
(x-2)^3
= x^3 - 6x^2 + 12x - 8
Therefore the coefficient of x^2 is (-6).
♧♧♧Rule♧♧♧
(a-b)^3
= a^3 - 3 a^2 b + 3 a b^2 - b^3
⬆HOPE THIS HELPS YOU⬅
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