Respostas

2014-05-26T20:31:53-03:00
Se for somente fazer a distributiva do pn e x*2-10x+25
1 2 1
2014-05-26T20:35:06-03:00
(x-5)*(x-5)
x²-5x+(-5x)+25
x²-5x-5x+5
x²+10x+5
1 5 1