Question

(5p+11)² expand using an appropriate standard identity ​

Answer 1

Answer:

$(5p + 11) {}^{2}$

$(a + b) {}^{2} = {a}^{2} + 2ab + {b}^{2}$

$= 5p {}^{2} + 2 \times 5p \times 11 + {11}^{2}$

$= 5p {}^{2} + 110p + 121$