Question

find the sqare of this p+5q step by step​

Answer 1

${(p + 5q)}^{2} \\ (p) {}^{2} + (5q) {}^{2} + 2 \times p \times 5q \\ {p}^{2} + 25 {q}^{2} + 10pq$

Answer 2

(p+5q)^2

=p^2+(5q)^2+2×p×5q

=p^2+25q^2+10pq

hence,

p^2+25q^2+10pq

is the answer