Question

$8xy(4 {m}^{2} - {n}^{2}) \div 2y(2m - n)$
divide using factorisation
factorisation methods that can be used are
splitting the middle term
factorisation by using algebraic identities
factorisation by regrouping terms
factorisation by taking out common factors
correct answer will be marked branliest
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Answer 1

4m²-n² = (2m)²-n² = (2m-n)(2m+n)

4m²-n² /(2m-n) = 2m+n

8xy/2y = 4x

ans : (2m+n)×4x