Respuesta :

Answer:

765

Step-by-step explanation:

Hello, please consider the following.

[tex]10x^2+100x+1000=10(x^2+10x+100)\\\\=10((x+5)^2-25+100)\\\\=10(x+5)^2+750[/tex]

So, a = 10, b = 5, c = 750 and the sum is 765.

Thank you