Exercise 14

Evaluate the following expressions.

  1. Evaluate \({3x^{2}}\) when \(x=2\text{.}\) \(\displaystyle{{3x^{2}}=}\)

  2. Evaluate \({\left(3x\right)^{2}}\) when \(x=2\text{.}\) \(\displaystyle{{\left(3x\right)^{2}}=}\)

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