Question Simplify the expression 27x3−54x2y+36xy2−8y3 Evaluate (3x−2y)3Use (a−b)3=a3−3a2b+3ab2−b3 to expand the expression (3x)3−3(3x)2×2y+3×3x(2y)2−(2y)3Solution 27x3−54x2y+36xy2−8y3 Show Solution
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