(m square
+ 21m – 46) by (m - 2)
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Answer:
-m³+19m²-88m+92
Step-by-step explanation:
(m²+21m-46)(m-2)
=m(m²+21m-46) -2(m²+21m-46)
=m³+21m²-46m-2m²-42m+92
=-m³+19m²-88m+92
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