Question

(2x + 3y)^2 – 5(2x + 3y)​

Answer 1

Answer:

(2x+3y) ^ —(5×2x+5×3y)

using formula of (a+b) ^2=a^2+b^2+2ab

4x^2+9y^2+2×3y×2x–10x–15y

4x^2+9y^2+12xy–10x–15y