Respuesta :

36

Explanation

to solve this replace with the given values

Step 1

replace and operate

Let

a=-4

b=-3

[tex]\begin{gathered} 3a^2-ab \\ 3(-4)^2-(-4)(-3) \\ 3(-4\cdot-4)-12 \\ 3(16)-12 \\ 48-12 \\ 36 \end{gathered}[/tex]

I hope this helps you

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