Question

pls help me with this maths question ............................

Answer 1

Hope it will help you

Answer 2

The answer is............
$(2x +9 )(2x - 7) \\ 4 {x}^{2} - 14x + 18x - 63 \\ 4 {x}^{2} + 4x - 63.... \\ \\ ({x}^{2} y - x {y}^{2})^{2} = {x}^{2} {y}^{2} {(x - y)}^{2}$