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December 19, 2014

December 19, 2014

Posted by **miechelle** on Wednesday, April 13, 2011 at 6:13pm.

a)x^2+10x+25

b)x^2+16x+28

c)x^2-9x+14

- math -
**Anonymous**, Wednesday, April 13, 2011 at 6:31pmx^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

- math -
**miechelle**, Thursday, April 14, 2011 at 6:04pmi 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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