how to find a product of a trinomial with a binomial.take example as : (17m sq+n sq - 7m) and (-m-n)
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Answer: by the following method you can do it
Step-by-step explanation: This can be done by this method
=(-m-n)(17m sq+n sq - 7m)
=-m(17m²+n²-7m)-n(17m²+n²-7m)
=-17m³-mn²+7m²-17m²n-n³+7mn
And hence it is done
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