Seudónimo Seudónimo
  • 24-05-2020
  • Mathematics
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HELP NEED ASAP GIVING BRAINLIST!!!!!!

HELP NEED ASAP GIVING BRAINLIST class=

Respuesta :

osikbro
osikbro osikbro
  • 24-05-2020

Answer:

19) [tex]24a^3+8a^2+6a+4[/tex]

20) [tex]7k^3-17k^2+55k-21[/tex]

Step-by-step explanation:

19) [tex](4a+2)(6a^2-a+2)=24a^3-4a^2+8a+12a^2-2a+4=24a^3+8a^2+6a+4[/tex]

20) [tex](7k-3)(k^2-2k+7)=7k^3-14k^2+49k-3k^2+6k-21=7k^3-17k^2+55k-21[/tex]

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