Asked by Alicia

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)

Answers

Answered by Reiny
yes, you are right,

For these kind of problems why don't you just expand your answer using FOIL to check if you are right?
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions