Respuesta :

[tex]10x^2+100x+1000=10(x^2+10x+100)[/tex]
[tex]=10(x^2+10x+25+75)[/tex]
[tex]=10((x+5)^2+75)[/tex]
[tex]=10(x+5)^2+750[/tex]
[tex]\implies a=10,b=5,c=750[/tex]
[tex]\implies a+b+c=765[/tex]