Question

Suma por su diferencia

(4x + y2)(4x – y2) =

(7x² – k²x²)(7x²+ k²x2² =
​ayuda porfa​

Answer 1

Explicación paso a paso:

(4x + y²)(4x – y²) = 16x²-y⁴

(7x² – k²x²)(7x²+ k²x²) = 49x⁴-k⁴x⁴

Answer 2

Explicación paso a paso:

1. (4x + y2)(4x – y2) =

4x-42=

2(2x-21) espero te sirva :)

2.(7x² – k²x²)(7x²+ k²x2² =

7x²-k²x²

X²x(7-k²)