Respuesta :

Zezima

Answer:

1) [tex]-10x^2[/tex]

2) [tex]64x^2[/tex]

Step-by-step explanation:

First question:

-2x . 5x = [tex]-10x^2[/tex]

Second question:

[tex](8x)^2=8x.8x= 64x^2[/tex]

1st. = -10x^2
2nd = 64x^2