Question

(2x + 7y)2 please expand ​

Answer 1

Answer:

hey mate

(2x +7y)² = (2x)² + (7y)² + 2×2x×7y

= 4x² + 49y²+ 28xy

using identity

(a+b)²= a²+b²+2ab

hope it will help you

Answer 2

Answer:

Step-by-step explanation:

(2x)2 + 2*2x*7y + (7y)2

4x^2 +28xy+49y^2