Answer:
10a^2 - 19a + 7
Step-by-step explanation:
Use the FOIL method to multiply these binomals together. We get:
10a^2 - 14a - 5a + 7.
Combining the 'a' terms, we get
first you do 3×1 get your answer and then × it by 2 then your answer you get you × it by 3 what you get - by 2 what you get you - by 1 and you get your answer hope I helped
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