Work out 3 + 2x {?}^(2) for x = 4​

Question

Work out

`3 + 2x {?}^(2)`
for x = 4​

Answer 1

`3 + {2x}^(2) \: where \: x = 4. \\ = 3 + 2 * {4}^(2) \\ = 3 + 2 * 16 \\ = 3 + 32 \\ = 35`

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