Posted by miechelle on Wednesday, April 13, 2011 at 6:13pm.
x^2+10x+25=(x+5)*(x-5)
Becouse:
(x+5)*(x-5)=x*x+5*x-5*x-25=x^2+5x-5x+25=x^2+25
x^2+16x+28=(x+2)*(x+14)
Becouse:
(x+2)*(x+14)=x*x+2*x+14x+28=x^2+2x+14x+28=x^2+16x+28
x^2-9x+14=(x-7)*(x-2)
Becouse:
(x-7)*(x-2)=x*x-7x-2x+2*7=x^2-9x+14
i dont realy get it still like i do get it but at the same time i dont :( sorry im being an thik head lol
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