Question

$( \frac{2}{5} p + 3)( \frac{2}{5} p + 3)$
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Answer 1

Answer:

$( \frac{2}{5} p + 3)( \frac{2}{5} p + 3) \\ = \frac{2}{5} p( \frac{2}{5} p + 3) + 3( \frac{2}{5} p + 3) \\ = \frac{4}{25} {p}^{2} + \frac{6}{5} p + \frac{6}{5} p + 9 \\ = \frac{4}{25} {p}^{2} + \frac{12}{5} p + 9$