Question

Expand : [5x + 6y] ²
​

Answer 1

Step-by-step explanation:

$(5x + 6y) {}^{2} \\ (5x) {}^{2} + 2 \times 5x \times 6y +( 6y) {}^{2} \\ 25x {}^{2} + 60xy + 36y {}^{2}$

hope it will help you..

Answer 2

Answer:

25x^2+36^2+60xy

Step-by-step explanation:

(5x+6y)^2

=(5x)^2+(6y)^2+2×5x×6y

=25x^2+36y^2+60xy