Question Simplify the expression 27a3−135a2b+225ab2−125b3 Evaluate (3a−5b)3Use (a−b)3=a3−3a2b+3ab2−b3 to expand the expression (3a)3−3(3a)2×5b+3×3a(5b)2−(5b)3Solution 27a3−135a2b+225ab2−125b3 Show Solution