Posted by **Alicia** on Sunday, November 18, 2007 at 10:04pm.

Can someone check my answer please! I'm not sure this is right

x(squared)+7x+10=0

(x+r)(x+s)

=x(squared)+sx+rx+rs

=x(squared)+(r+s)x+rs

x(squared)+(r+s)x+rs=x(squared)+7x+10

r+s=7

rs=10

(2)(5)=10 and 3+4=7

x(squared)+7x+10=(x+5)(x+2)

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