Question

Write down the squares of the following
expressions
3x+5y​

Answer 1

Step-by-step explanation:

(3x+5y)^2

=(3x)^2+(2×3x×5y)+(5y)^2

=9x^2+30xy+25y^2

Answer 2

Answer:

Step-by-step explanation:

[3x+5y]^2

[3x]^2 + 2[3x][5y] + [5y]^2

9x^2+30xy+25y^2