Respuesta :

ferozealeemah

Answer:

4-9y^2

Step-by-step explanation:

(2+3y)(2-3y)

2*2

2*-3y

3y*2

3y*-3y

4-6y+6y-9y^2

4-9y^2

Answer:

[tex]4−9 {y}^{2} [/tex]

Step-by-step explanation:

[tex](2+3y)(2−3y)[/tex]

[tex]2(2−3y)+3y(2−3y)[/tex]

[tex]2 \times 2+2(−3y)+3y(2−3y)[/tex]

[tex]2 \times 2+2(−3y)+3y \times 2+3y(−3y)[/tex]

[tex]4−6y+6y−9 {y}^{2} [/tex]

[tex]4+0−9 {y}^{2} [/tex]

[tex]4−9 {y}^{2} [/tex]

Hope it is helpful...