Question

expand (2x +7y)^3 plz ​

Answer 1

Answer:

8x³+343y³

hope it helps u

Answer 2

Answer:

$( {2x + 4y})^{3} \\ \\ \\ = 8 {x}^{3} + 64 {y}^{3} + 3(2x)(4y) \\ \\ \\ = 8 {x}^{3} + 64 {y}^{3} + 24xy$

Hope that it will help uh...