Question

Question. = Add
$(4m {}^{2}n + 6mn {}^{2} - 10mn)(3m {}^{2}n - mn {}^{2} + 6mn)( - 12mn {}^{2} + 2mn + 10)$
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Answer 1

Answer:- 7m^2n + 5mn^2 - 4mn


Solution is in this picture!!!


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