Question

Упростить (3m-2n)^2-5m(4n-m)​

Answer 1

$(3m - 2n)^{2} - 5m(4n - m) = 9 {m}^{2} - 12mn + 4 {n}^{2} - 20mn + 5 {m}^{2} = 14 {m}^{2} - 32mn + 4 {n}^{2}$

Answer 2

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