Question

expand
(3x + y - 5) (3x - y - 5)​

Answer 1

Answer:(

3

+

−

5

)

(

3

−

−

5

)

{\color{#c92786}{(3x+y-5)(3x-y-5)}}

(3x+y−5)(3x−y−5)

3

(

3

−

−

5

)

+

(

3

−

5 ) − 5 ( 3 − − 5)

Step-by-step explanation:

Answer 2

Answer:

$9 {x}^{2} - {y}^{2} + 10y - 25$

Hope it helps to you!!