Respuesta :

Answer:

C and A I beleive it is the answer not sure tho

Step-by-step explanation:

mathstudent55

Answer:

c.

d.

Step-by-step explanation:

First question:

(4x + 3y)(2x - 5y) =

= 8x² - 20xy + 6xy - 15y²

= 8x² - 14xy - 15y²

Answer: c.

Second question:

(2a + 3)² =

= (2a + 3)(2a + 3)

= 4a² + 6a + 6a + 9

= 4a² + 12a + 9

Answer: d.