SOLUTION: What is "x" squared plus 2x-15? Thank you!

Question 271081: What is "x" squared plus 2x-15? Thank you!
Answer by LarissaRichardson(34) (Show Source): You can put this solution on YOUR website!
If you mean
x^2+2x-15 Then you need to reverse FOIL
( )( )
(x )(x ) Will give you x^2
(x+5 )(x-3 ) WIll give you x^2+2x-15
When using reverse FOIL remember: What times what will give me -15 but added together will give me 2.
RELATED QUESTIONS
What is x squared plus x... (answered by edjones,bucky)

Bob was thinking of a number between 5 and 15 that when squared and added to 23 equals... (answered by ankor@dixie-net.com)

What is the answer to (64 divided by 8 squared plus 9 times 3 plus 7 squared) squared?... (answered by stanbon)

what is 2x squared minus x minus... (answered by mananth)

What is x squared plus 5x plus... (answered by MathLover1)

What is the LCM (lowest common multiple) of: (3X2-27, X2-8x+15, 4x-12)... (answered by mukhopadhyay)

Factor it. 2x(squared)+13x+15 thank... (answered by sudhanshu_kmr)

2x squared minus 3x squared minus 10x plus... (answered by sdmmadam@yahoo.com)

What is 4x squared-x-5? Thank... (answered by LarissaRichardson)