Question

simplifique a expressao
$(3p - 2) {}^{2} + (p + 5) {}^{2} - 4p {}^{2}$

Answer 1

(3p - 2)² + (p + 5)² - 4p² =

9p² - 12p + 4 + p² + 10p + 25 - 4p² = (juntando os termos semelhantes)

9p² + p² - 4p² - 12p + 10p + 4 + 25 =

6p² - 2p + 29