Question Simplify the expression 278m3−m2n+89mn2−6427n3 Evaluate (32m−43n)3Use (a−b)3=a3−3a2b+3ab2−b3 to expand the expression (32m)3−3(32m)2×43n+3×32m(43n)2−(43n)3Solution 278m3−m2n+89mn2−6427n3 Show Solution Factor the expression 17281(8m−9n)3 Evaluate (32m−43n)3Evaluate 278m3−m2n+89mn2−6427n3Solution 17281(8m−9n)3 Show Solution
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