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so that is the answer
there would be no middle term since there is a -2 and a +2
:) hope this helps.....
yes this is the answer
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so you just multiply the 2's and the make the x^2
okay do you know foil?
no not yet, if I do. I dont remember
x^2-4 = 0
X = +2 and -2
okay well when say you have (x+1)(x+1)
FOIL (first, outter, inner, last)
you multiply the x's and you get x^2 then you multiply the outter and last and add and you get 2x and then multiply the last and you get 1 sooo....
your answer for that one would be.....
so I need to put in x^2+2x+1
collegegirl my answer is perfectly correct check that.
Answer is +2 and -2
no.... thats the answer for my problem but your is..... x^2+4
dont listen to koolkow because, you are not trying to find the solutions your just multiplying or FOILing it out
if you still dont get it you should ask you teacher :)