Question

simplify the following fast no spam otherwise I will complain​

Answer 1

• Always helping @@mathematics guy ..feel free to contact in maths or sci problems (answer in pic)

Answer 2

Explanation:

let m = x and n = y (( it will easy to type ))

$(2x - 3y)(2x + 3y) + {(2x + 3y)}^{2} \\ \\ 2x(2x + 3y) - 3y(2x + 3y) + {(2x + 3y)}^{2} \\ \\ 4 {x}^{2} + 6xy - 6xy - 9 {y}^{2} + + 4 {x}^{2} + 9 {y}^{2} + 2 \times 2x \times 3y \\ \\ 4 {x}^{2} - 9 {y}^{2} + 4 {x}^{2} + 9 {y}^{2} + 12xy \\ \\ 8 {x}^{2} + 12xy \\ \\ 4x(2x + 3y)$