airflow117
airflow117 airflow117
  • 27-10-2020
  • Mathematics
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12a^2-3ab+2b ;a=-5 b=4 ​

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felixkings
felixkings felixkings
  • 27-10-2020

[tex]Answer:\\[/tex]

[tex]368[/tex]

[tex]Step\: by\: step \:explanation:\\[/tex]

[tex]12a^2-3ab+2b ; \\ \: if \: a=-5 \: and \: b=4

\\ 12a^2-3ab+2b = 12( - 5)^2-3( - 5)(4))+2(4) \\ 12a^2-3ab+2b = 300 + 60 + 8 \\ 12a^2-3ab+2b = 368[/tex]

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