Question

Please solve this post fast

Answer 1

$p(x) = 3 {x}^{2} - 9 \\ \\ p(a + \frac{1}{a} ) = 3 {(a + \frac{1}{a} )}^{2} - 9 \\ \\ = 3( {a}^{2} + \frac{1}{ {a}^{2} } + 2) - 9 \\ \\ 3( {a}^{2} + \frac{1}{ {a}^{2} } - 1)$

$p(2) = 3 {(2)}^{2} - 9 \\ \\ = 12 - 9 \\ \\ = 3$

hope it helps