Respuesta :

Substitute -6 for a, 14 for b and 7 for c in the exprerssion a(b-c) to ontain the value of expression.

[tex]\begin{gathered} a(b-c)=-6(14-7) \\ =-6\cdot7 \\ =-42 \end{gathered}[/tex]

So answer is -42.

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