DemarR296683 DemarR296683

28-10-2022
Mathematics

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evaluate the expression (3d+9)^2-64 where d=1

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AmoyA197678 AmoyA197678

28-10-2022

[tex]\begin{gathered} \Rightarrow(3d+9)^2-64,\text{ where d=1} \\ \Rightarrow(3\times1+9)^2-64 \\ \Rightarrow(3+9)^2-64 \\ \Rightarrow12^2-64 \\ \Rightarrow144-64 \\ \Rightarrow80 \end{gathered}[/tex]

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